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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Update to Linux 2.6.16-rc3.
# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID 1ca3d63e70082c57dd918b0875d28ad679f842a2
# Parent 1346a69694be920551771d94b1f9382bf885a0a9
Update to Linux 2.6.16-rc3.
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xen0_x86_32
--- a/buildconfigs/linux-defconfig_xen0_x86_32 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xen0_x86_32 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xenU
-# Mon Feb 13 15:10:22 2006
+# Linux kernel version: 2.6.16-rc3-xen0
+# Wed Feb 15 20:55:18 2006
#
CONFIG_X86_32=y
CONFIG_SEMAPHORE_SLEEPERS=y
@@ -16,8 +16,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -259,6 +257,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
@@ -533,7 +532,6 @@
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
# CONFIG_SCSI_DPT_I2O is not set
-# CONFIG_SCSI_ADVANSYS is not set
CONFIG_MEGARAID_NEWGEN=y
# CONFIG_MEGARAID_MM is not set
# CONFIG_MEGARAID_LEGACY is not set
@@ -558,7 +556,6 @@
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xen0_x86_64
--- a/buildconfigs/linux-defconfig_xen0_x86_64 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xen0_x86_64 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xen0
-# Fri Feb 3 16:53:41 2006
+# Linux kernel version: 2.6.16-rc3-xen0
+# Wed Feb 15 20:49:13 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -21,8 +21,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -189,6 +187,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
@@ -463,7 +462,6 @@
CONFIG_AIC79XX_DEBUG_ENABLE=y
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
-# CONFIG_SCSI_ADVANSYS is not set
CONFIG_MEGARAID_NEWGEN=y
# CONFIG_MEGARAID_MM is not set
# CONFIG_MEGARAID_LEGACY is not set
@@ -489,7 +487,6 @@
# CONFIG_SCSI_OMIT_FLASHPOINT is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
@@ -1183,7 +1180,6 @@
CONFIG_FRAME_POINTER=y
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
-# CONFIG_INIT_DEBUG is not set
# CONFIG_DEBUG_RODATA is not set
#
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xenU_x86_32
--- a/buildconfigs/linux-defconfig_xenU_x86_32 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xenU_x86_32 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xenU
-# Mon Feb 6 23:16:07 2006
+# Linux kernel version: 2.6.16-rc3-xenU
+# Wed Feb 15 20:56:26 2006
#
CONFIG_X86_32=y
CONFIG_SEMAPHORE_SLEEPERS=y
@@ -16,7 +16,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -214,6 +213,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xenU_x86_64
--- a/buildconfigs/linux-defconfig_xenU_x86_64 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xenU_x86_64 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xenU
-# Mon Feb 6 23:49:06 2006
+# Linux kernel version: 2.6.16-rc3-xenU
+# Wed Feb 15 20:49:39 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -21,7 +21,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -165,6 +164,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
@@ -1085,7 +1085,6 @@
CONFIG_FRAME_POINTER=y
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
-# CONFIG_INIT_DEBUG is not set
# CONFIG_DEBUG_RODATA is not set
#
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xen_x86_32
--- a/buildconfigs/linux-defconfig_xen_x86_32 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xen_x86_32 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xenU
-# Mon Feb 13 15:12:00 2006
+# Linux kernel version: 2.6.16-rc3-xen
+# Wed Feb 15 20:57:16 2006
#
CONFIG_X86_32=y
CONFIG_SEMAPHORE_SLEEPERS=y
@@ -16,9 +16,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
-CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -291,6 +288,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=m
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=m
@@ -706,12 +704,10 @@
#
# Old SIR device drivers
#
-CONFIG_IRPORT_SIR=m
#
# Old Serial dongle support
#
-# CONFIG_DONGLE_OLD is not set
#
# FIR device drivers
@@ -849,8 +845,6 @@
CONFIG_MTD_DILNETPC_BOOTSIZE=0x80000
# CONFIG_MTD_L440GX is not set
CONFIG_MTD_PCI=m
-CONFIG_MTD_PCMCIA=m
-# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
CONFIG_MTD_PLATRAM=m
#
@@ -1035,7 +1029,6 @@
CONFIG_BLK_DEV_PDC202XX_OLD=y
CONFIG_PDC202XX_BURST=y
CONFIG_BLK_DEV_PDC202XX_NEW=y
-CONFIG_PDC202XX_FORCE=y
CONFIG_BLK_DEV_SVWKS=y
CONFIG_BLK_DEV_SIIMAGE=y
CONFIG_BLK_DEV_SIS5513=y
@@ -1104,7 +1097,6 @@
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
CONFIG_SCSI_DPT_I2O=m
-CONFIG_SCSI_ADVANSYS=m
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=m
CONFIG_MEGARAID_MAILBOX=m
@@ -1130,7 +1122,6 @@
# CONFIG_SCSI_BUSLOGIC is not set
CONFIG_SCSI_DMX3191D=m
# CONFIG_SCSI_EATA is not set
-CONFIG_SCSI_EATA_PIO=m
CONFIG_SCSI_FUTURE_DOMAIN=m
# CONFIG_SCSI_GDTH is not set
CONFIG_SCSI_IPS=m
@@ -1236,6 +1227,7 @@
CONFIG_I2O=m
CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
CONFIG_I2O_EXT_ADAPTEC=y
+CONFIG_I2O_EXT_ADAPTEC_DMA64=y
CONFIG_I2O_CONFIG=m
CONFIG_I2O_CONFIG_OLD_IOCTL=y
CONFIG_I2O_BUS=m
@@ -1307,7 +1299,6 @@
CONFIG_DM9102=m
CONFIG_ULI526X=m
CONFIG_PCMCIA_XIRCOM=m
-# CONFIG_PCMCIA_XIRTULIP is not set
CONFIG_HP100=m
CONFIG_NET_PCI=y
CONFIG_PCNET32=m
@@ -1474,7 +1465,6 @@
CONFIG_DLCI_COUNT=24
CONFIG_DLCI_MAX=8
CONFIG_WAN_ROUTER_DRIVERS=y
-# CONFIG_VENDOR_SANGOMA is not set
CONFIG_CYCLADES_SYNC=m
CONFIG_CYCLOMX_X25=y
CONFIG_LAPBETHER=m
@@ -1566,7 +1556,6 @@
#
# ISDN feature submodules
#
-# CONFIG_ISDN_DRV_LOOP is not set
# CONFIG_ISDN_DIVERSION is not set
#
@@ -1633,7 +1622,6 @@
#
# Active cards
#
-# CONFIG_HYSDN is not set
#
# CAPI subsystem
@@ -1860,7 +1848,6 @@
#
# Ftape, the floppy tape device driver
#
-# CONFIG_FTAPE is not set
CONFIG_AGP=m
CONFIG_AGP_ALI=m
CONFIG_AGP_ATI=m
@@ -2007,6 +1994,7 @@
CONFIG_SENSORS_ASB100=m
CONFIG_SENSORS_ATXP1=m
CONFIG_SENSORS_DS1621=m
+CONFIG_SENSORS_F71805F=m
CONFIG_SENSORS_FSCHER=m
CONFIG_SENSORS_FSCPOS=m
CONFIG_SENSORS_GL518SM=m
@@ -2078,7 +2066,6 @@
CONFIG_VIDEO_ZORAN_DC30=m
CONFIG_VIDEO_ZORAN_LML33=m
CONFIG_VIDEO_ZORAN_LML33R10=m
-# CONFIG_VIDEO_ZR36120 is not set
CONFIG_VIDEO_MEYE=m
# CONFIG_VIDEO_SAA7134 is not set
CONFIG_VIDEO_MXB=m
@@ -2088,6 +2075,7 @@
CONFIG_VIDEO_CX88=m
# CONFIG_VIDEO_CX88_DVB is not set
CONFIG_VIDEO_CX88_ALSA=m
+CONFIG_VIDEO_CX88_VP3054=m
CONFIG_VIDEO_EM28XX=m
CONFIG_VIDEO_OVCAMCHIP=m
CONFIG_VIDEO_AUDIO_DECODER=m
@@ -2170,7 +2158,6 @@
CONFIG_DVB_CX24110=m
CONFIG_DVB_CX24123=m
CONFIG_DVB_TDA8083=m
-CONFIG_DVB_TDA80XX=m
CONFIG_DVB_MT312=m
CONFIG_DVB_VES1X93=m
CONFIG_DVB_S5H1420=m
@@ -2192,7 +2179,6 @@
#
# DVB-C (cable) frontends
#
-CONFIG_DVB_ATMEL_AT76C651=m
CONFIG_DVB_VES1820=m
CONFIG_DVB_TDA10021=m
CONFIG_DVB_STV0297=m
@@ -2200,7 +2186,6 @@
#
# ATSC (North American/Korean Terresterial DTV) frontends
#
-CONFIG_DVB_NXT2002=m
CONFIG_DVB_NXT200X=m
CONFIG_DVB_OR51211=m
CONFIG_DVB_OR51132=m
@@ -2276,7 +2261,6 @@
CONFIG_FB_CYBLA=m
CONFIG_FB_TRIDENT=m
# CONFIG_FB_TRIDENT_ACCEL is not set
-# CONFIG_FB_PM3 is not set
CONFIG_FB_GEODE=y
CONFIG_FB_GEODE_GX1=m
CONFIG_FB_VIRTUAL=m
@@ -2786,10 +2770,8 @@
CONFIG_VXFS_FS=m
CONFIG_HPFS_FS=m
CONFIG_QNX4FS_FS=m
-# CONFIG_QNX4FS_RW is not set
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
-# CONFIG_UFS_FS_WRITE is not set
#
# Network File Systems
@@ -2951,13 +2933,6 @@
CONFIG_SECURITY_CAPABILITIES=y
CONFIG_SECURITY_ROOTPLUG=m
CONFIG_SECURITY_SECLVL=m
-CONFIG_SECURITY_SELINUX=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0
-CONFIG_SECURITY_SELINUX_DISABLE=y
-CONFIG_SECURITY_SELINUX_DEVELOP=y
-CONFIG_SECURITY_SELINUX_AVC_STATS=y
-CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
#
# Cryptographic options
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/linux-defconfig_xen_x86_64
--- a/buildconfigs/linux-defconfig_xen_x86_64 Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/linux-defconfig_xen_x86_64 Wed Feb 15 22:06:12 2006
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xen
-# Fri Feb 3 16:30:34 2006
+# Linux kernel version: 2.6.16-rc3-xen
+# Wed Feb 15 20:50:05 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -21,9 +21,6 @@
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
-CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -160,6 +157,7 @@
CONFIG_ACPI_HOTKEY=m
CONFIG_ACPI_FAN=m
CONFIG_ACPI_PROCESSOR=m
+CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_THERMAL=m
CONFIG_ACPI_ASUS=m
CONFIG_ACPI_IBM=m
@@ -197,6 +195,7 @@
#
# Networking options
#
+# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
@@ -578,12 +577,10 @@
#
# Old SIR device drivers
#
-CONFIG_IRPORT_SIR=m
#
# Old Serial dongle support
#
-# CONFIG_DONGLE_OLD is not set
#
# FIR device drivers
@@ -880,7 +877,6 @@
CONFIG_BLK_DEV_PDC202XX_OLD=y
# CONFIG_PDC202XX_BURST is not set
CONFIG_BLK_DEV_PDC202XX_NEW=y
-CONFIG_PDC202XX_FORCE=y
CONFIG_BLK_DEV_SVWKS=y
CONFIG_BLK_DEV_SIIMAGE=y
CONFIG_BLK_DEV_SIS5513=y
@@ -948,7 +944,6 @@
# CONFIG_AIC79XX_DEBUG_ENABLE is not set
CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
-# CONFIG_SCSI_ADVANSYS is not set
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=m
CONFIG_MEGARAID_MAILBOX=m
@@ -975,7 +970,6 @@
# CONFIG_SCSI_OMIT_FLASHPOINT is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
CONFIG_SCSI_GDTH=m
CONFIG_SCSI_IPS=m
@@ -1315,7 +1309,6 @@
#
# ISDN feature submodules
#
-CONFIG_ISDN_DRV_LOOP=m
CONFIG_ISDN_DIVERSION=m
#
@@ -1378,8 +1371,6 @@
#
# Active cards
#
-CONFIG_HYSDN=m
-CONFIG_HYSDN_CAPI=y
#
# CAPI subsystem
@@ -1583,7 +1574,6 @@
#
# Ftape, the floppy tape device driver
#
-# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
CONFIG_DRM=m
CONFIG_DRM_TDFX=m
@@ -1703,6 +1693,7 @@
CONFIG_SENSORS_ASB100=m
CONFIG_SENSORS_ATXP1=m
CONFIG_SENSORS_DS1621=m
+CONFIG_SENSORS_F71805F=m
CONFIG_SENSORS_FSCHER=m
CONFIG_SENSORS_FSCPOS=m
CONFIG_SENSORS_GL518SM=m
@@ -1774,7 +1765,6 @@
CONFIG_VIDEO_ZORAN_DC30=m
CONFIG_VIDEO_ZORAN_LML33=m
CONFIG_VIDEO_ZORAN_LML33R10=m
-# CONFIG_VIDEO_ZR36120 is not set
CONFIG_VIDEO_SAA7134=m
CONFIG_VIDEO_SAA7134_ALSA=m
CONFIG_VIDEO_SAA7134_DVB=m
@@ -1787,6 +1777,7 @@
CONFIG_VIDEO_CX88_DVB=m
CONFIG_VIDEO_CX88_ALSA=m
CONFIG_VIDEO_CX88_DVB_ALL_FRONTENDS=y
+CONFIG_VIDEO_CX88_VP3054=m
CONFIG_VIDEO_EM28XX=m
CONFIG_VIDEO_OVCAMCHIP=m
CONFIG_VIDEO_AUDIO_DECODER=m
@@ -1874,7 +1865,6 @@
CONFIG_DVB_CX24110=m
CONFIG_DVB_CX24123=m
CONFIG_DVB_TDA8083=m
-CONFIG_DVB_TDA80XX=m
CONFIG_DVB_MT312=m
CONFIG_DVB_VES1X93=m
CONFIG_DVB_S5H1420=m
@@ -1896,7 +1886,6 @@
#
# DVB-C (cable) frontends
#
-CONFIG_DVB_ATMEL_AT76C651=m
CONFIG_DVB_VES1820=m
CONFIG_DVB_TDA10021=m
CONFIG_DVB_STV0297=m
@@ -1904,7 +1893,6 @@
#
# ATSC (North American/Korean Terresterial DTV) frontends
#
-CONFIG_DVB_NXT2002=m
CONFIG_DVB_NXT200X=m
CONFIG_DVB_OR51211=m
CONFIG_DVB_OR51132=m
@@ -1972,7 +1960,6 @@
CONFIG_FB_VOODOO1=m
CONFIG_FB_TRIDENT=m
CONFIG_FB_TRIDENT_ACCEL=y
-# CONFIG_FB_PM3 is not set
# CONFIG_FB_GEODE is not set
# CONFIG_FB_VIRTUAL is not set
@@ -2349,7 +2336,6 @@
#
# CONFIG_EDAC_DEBUG is not set
CONFIG_EDAC_MM_EDAC=m
-CONFIG_EDAC_AMD76X=m
CONFIG_EDAC_E7XXX=m
CONFIG_EDAC_E752X=m
CONFIG_EDAC_I82875P=m
@@ -2466,10 +2452,8 @@
CONFIG_VXFS_FS=m
# CONFIG_HPFS_FS is not set
CONFIG_QNX4FS_FS=m
-# CONFIG_QNX4FS_RW is not set
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
-# CONFIG_UFS_FS_WRITE is not set
#
# Network File Systems
@@ -2602,7 +2586,6 @@
# CONFIG_FRAME_POINTER is not set
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
-# CONFIG_INIT_DEBUG is not set
# CONFIG_DEBUG_RODATA is not set
#
@@ -2616,13 +2599,6 @@
CONFIG_SECURITY_CAPABILITIES=y
# CONFIG_SECURITY_ROOTPLUG is not set
# CONFIG_SECURITY_SECLVL is not set
-CONFIG_SECURITY_SELINUX=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM=y
-CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1
-CONFIG_SECURITY_SELINUX_DISABLE=y
-CONFIG_SECURITY_SELINUX_DEVELOP=y
-CONFIG_SECURITY_SELINUX_AVC_STATS=y
-CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
#
# Cryptographic options
diff -r 1346a69694be -r 1ca3d63e7008 buildconfigs/mk.linux-2.6-xen
--- a/buildconfigs/mk.linux-2.6-xen Wed Feb 15 14:20:32 2006
+++ b/buildconfigs/mk.linux-2.6-xen Wed Feb 15 22:06:12 2006
@@ -2,8 +2,8 @@
OS = linux
LINUX_SERIES = 2.6
-LINUX_VER = 2.6.16-rc2
-LINUX_SRCS = linux-2.6.15.tar.bz2 patch-2.6.16-rc2.bz2
+LINUX_VER = 2.6.16-rc3
+LINUX_SRCS = linux-2.6.15.tar.bz2 patch-2.6.16-rc3.bz2
LINUX_PDIR = linux-$(LINUX_VER)
EXTRAVERSION ?= xen
@@ -20,6 +20,7 @@
$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) modules ; \
$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH)
INSTALL_MOD_PATH=$(DESTDIR) modules_install ; \
fi
+ $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) INSTALL_PATH=$(DESTDIR)
vmlinuz
$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) INSTALL_PATH=$(DESTDIR)
install
pristine-$(LINUX_PDIR)/.valid-srcs: $(LINUX_SRCS)
@@ -33,7 +34,7 @@
touch $(@D)/.hgskip
touch $@
-pristine-linux-%.16-rc2/.valid-pristine: pristine-$(LINUX_PDIR)/.valid-srcs
+pristine-linux-%.16-rc3/.valid-pristine: pristine-$(LINUX_PDIR)/.valid-srcs
touch $@ # update timestamp to avoid rebuild
$(LINUX_DIR)/include/linux/autoconf.h: ref-$(OS)-$(LINUX_VER)/.valid-ref
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/arch/i386/Kconfig
--- a/linux-2.6-xen-sparse/arch/i386/Kconfig Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/Kconfig Wed Feb 15 22:06:12 2006
@@ -476,6 +476,7 @@
config HIGHMEM64G
bool "64GB"
+ depends on X86_CMPXCHG64
help
Select this if you have a 32-bit processor and more than 4
gigabytes of physical RAM.
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/arch/i386/Makefile
--- a/linux-2.6-xen-sparse/arch/i386/Makefile Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/Makefile Wed Feb 15 22:06:12 2006
@@ -116,7 +116,7 @@
vmlinuz: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
-install: vmlinux
+install:
$(Q)$(MAKE) $(build)=$(boot) XENGUEST=$(XENGUEST) $@
else
all: bzImage
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/boot-xen/Makefile
--- a/linux-2.6-xen-sparse/arch/i386/boot-xen/Makefile Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/boot-xen/Makefile Wed Feb 15 22:06:12 2006
@@ -10,7 +10,7 @@
INSTALL_ROOT := $(patsubst %/boot,%,$(INSTALL_PATH))
XINSTALL_NAME ?= $(KERNELRELEASE)
-install: vmlinuz
+install:
mkdir -p $(INSTALL_ROOT)/boot
ln -f -s vmlinuz-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
$(INSTALL_ROOT)/boot/vmlinuz-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(XENGUEST)$(INSTALL_SUFFIX)
rm -f $(INSTALL_ROOT)/boot/vmlinuz-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/acpi/boot-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/acpi/boot-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/acpi/boot-xen.c Wed Feb 15
22:06:12 2006
@@ -250,10 +250,17 @@
acpi_table_print_madt_entry(header);
- /* Register even disabled CPUs for cpu hotplug */
-
- x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
-
+ /* Record local apic id only when enabled */
+ if (processor->flags.enabled)
+ x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
+
+ /*
+ * We need to register disabled CPU as well to permit
+ * counting disabled CPUs. This allows us to size
+ * cpus_possible_map more accurately, to permit
+ * to not preallocating memory for all NR_CPUS
+ * when we use CPU hotplug.
+ */
mp_register_lapic(processor->id, /* APIC ID */
processor->flags.enabled); /* Enabled? */
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/apic-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/apic-xen.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/apic-xen.c Wed Feb 15 22:06:12 2006
@@ -74,8 +74,10 @@
* holds up an irq slot - in excessive cases (when multiple
* unexpected vectors occur) that might lock up the APIC
* completely.
+ * But only ack when the APIC is enabled -AK
*/
- ack_APIC_irq();
+ if (cpu_has_apic)
+ ack_APIC_irq();
}
int get_physical_broadcast(void)
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/cpu/common-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/cpu/common-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/cpu/common-xen.c Wed Feb 15
22:06:12 2006
@@ -49,6 +49,7 @@
static struct cpu_dev default_cpu = {
.c_init = default_init,
+ .c_vendor = "Unknown",
};
static struct cpu_dev * this_cpu = &default_cpu;
@@ -155,6 +156,7 @@
{
char *v = c->x86_vendor_id;
int i;
+ static int printed;
for (i = 0; i < X86_VENDOR_NUM; i++) {
if (cpu_devs[i]) {
@@ -164,10 +166,17 @@
c->x86_vendor = i;
if (!early)
this_cpu = cpu_devs[i];
- break;
+ return;
}
}
}
+ if (!printed) {
+ printed++;
+ printk(KERN_ERR "CPU: Vendor unknown, using generic init.\n");
+ printk(KERN_ERR "CPU: Your system may be unstable.\n");
+ }
+ c->x86_vendor = X86_VENDOR_UNKNOWN;
+ this_cpu = &default_cpu;
}
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/io_apic-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/io_apic-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/io_apic-xen.c Wed Feb 15
22:06:12 2006
@@ -786,8 +786,6 @@
return -1;
}
-#ifndef CONFIG_XEN
-#endif
/*
* Find the pin to which IRQ[irq] (ISA) is connected
*/
@@ -1530,6 +1528,8 @@
return;
}
+#if 0
+
static void print_APIC_bitfield (int base)
{
unsigned int v;
@@ -1670,6 +1670,9 @@
v = inb(0x4d1) << 8 | inb(0x4d0);
printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
}
+
+#endif /* 0 */
+
#else
void __init print_IO_APIC(void) { }
#endif /* !CONFIG_XEN */
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/mpparse-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/mpparse-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/mpparse-xen.c Wed Feb 15
22:06:12 2006
@@ -856,6 +856,8 @@
#ifndef CONFIG_XEN
mp_lapic_addr = (unsigned long) address;
+ set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr);
+
if (boot_cpu_physical_apicid == -1U)
boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
@@ -951,6 +953,9 @@
mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE;
mp_ioapics[idx].mpc_apicaddr = address;
+#ifndef CONFIG_XEN
+ set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
+#endif
if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
(boot_cpu_data.x86 < 15))
mp_ioapics[idx].mpc_apicid = io_apic_get_unique_id(idx, id);
else
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/process-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/process-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/process-xen.c Wed Feb 15
22:06:12 2006
@@ -221,8 +221,10 @@
if (user_mode(regs))
printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp);
- printk(" EFLAGS: %08lx %s (%s)\n",
- regs->eflags, print_tainted(), system_utsname.release);
+ printk(" EFLAGS: %08lx %s (%s %.*s)\n",
+ regs->eflags, print_tainted(), system_utsname.release,
+ (int)strcspn(system_utsname.version, " "),
+ system_utsname.version);
printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
regs->eax,regs->ebx,regs->ecx,regs->edx);
printk("ESI: %08lx EDI: %08lx EBP: %08lx",
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/smpboot.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/smpboot.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/smpboot.c Wed Feb 15 22:06:12 2006
@@ -87,11 +87,7 @@
cpumask_t cpu_callin_map;
cpumask_t cpu_callout_map;
EXPORT_SYMBOL(cpu_callout_map);
-#ifdef CONFIG_HOTPLUG_CPU
-cpumask_t cpu_possible_map = CPU_MASK_ALL;
-#else
cpumask_t cpu_possible_map;
-#endif
EXPORT_SYMBOL(cpu_possible_map);
static cpumask_t smp_commenced_mask;
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/traps-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/traps-xen.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/traps-xen.c Wed Feb 15 22:06:12 2006
@@ -85,7 +85,11 @@
asmlinkage void coprocessor_error(void);
asmlinkage void simd_coprocessor_error(void);
asmlinkage void alignment_check(void);
+#ifndef CONFIG_XEN
+asmlinkage void spurious_interrupt_bug(void);
+#else
asmlinkage void fixup_4gb_segment(void);
+#endif
asmlinkage void machine_check(void);
static int kstack_depth_to_print = 24;
@@ -163,7 +167,8 @@
stack = (unsigned long*)context->previous_esp;
if (!stack)
break;
- printk(KERN_EMERG " =======================\n");
+ printk(log_lvl);
+ printk(" =======================\n");
}
}
@@ -236,9 +241,11 @@
}
print_modules();
printk(KERN_EMERG "CPU: %d\nEIP: %04x:[<%08lx>] %s VLI\n"
- "EFLAGS: %08lx (%s) \n",
+ "EFLAGS: %08lx (%s %.*s) \n",
smp_processor_id(), 0xffff & regs->xcs, regs->eip,
- print_tainted(), regs->eflags, system_utsname.release);
+ print_tainted(), regs->eflags, system_utsname.release,
+ (int)strcspn(system_utsname.version, " "),
+ system_utsname.version);
print_symbol(KERN_EMERG "EIP is at %s\n", regs->eip);
printk(KERN_EMERG "eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
regs->eax, regs->ebx, regs->ecx, regs->edx);
@@ -384,7 +391,7 @@
static inline void die_if_kernel(const char * str, struct pt_regs * regs, long
err)
{
- if (!user_mode_vm(regs))
+ if (!user_mode_vm(regs))
die(str, regs, err);
}
@@ -479,15 +486,11 @@
DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow)
DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds)
DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip)
-DO_VM86_ERROR( 7, SIGSEGV, "device not available", device_not_available)
DO_ERROR( 9, SIGFPE, "coprocessor segment overrun",
coprocessor_segment_overrun)
DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
-#ifdef CONFIG_X86_MCE
-DO_ERROR(18, SIGBUS, "machine check", machine_check)
-#endif
DO_ERROR_INFO(32, SIGSEGV, "iret exception", iret_error, ILL_BADSTK, 0)
fastcall void __kprobes do_general_protection(struct pt_regs * regs,
@@ -749,7 +752,7 @@
* check for kernel mode by just checking the CPL
* of CS.
*/
- if (!user_mode(regs))
+ if (!user_mode(regs))
goto clear_TF_reenable;
}
@@ -916,6 +919,15 @@
}
#ifndef CONFIG_XEN
+fastcall void do_spurious_interrupt_bug(struct pt_regs * regs,
+ long error_code)
+{
+#if 0
+ /* No need to warn about this any longer. */
+ printk("Ignoring P6 Local APIC Spurious Interrupt Bug...\n");
+#endif
+}
+
fastcall void setup_x86_bogus_stack(unsigned char * stk)
{
unsigned long *switch16_ptr, *switch32_ptr;
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/kernel/traps.c
--- a/linux-2.6-xen-sparse/arch/i386/kernel/traps.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/traps.c Wed Feb 15 22:06:12 2006
@@ -166,7 +166,8 @@
stack = (unsigned long*)context->previous_esp;
if (!stack)
break;
- printk(KERN_EMERG " =======================\n");
+ printk(log_lvl);
+ printk(" =======================\n");
}
}
@@ -239,9 +240,11 @@
}
print_modules();
printk(KERN_EMERG "CPU: %d\nEIP: %04x:[<%08lx>] %s VLI\n"
- "EFLAGS: %08lx (%s) \n",
+ "EFLAGS: %08lx (%s %.*s) \n",
smp_processor_id(), 0xffff & regs->xcs, regs->eip,
- print_tainted(), regs->eflags, system_utsname.release);
+ print_tainted(), regs->eflags, system_utsname.release,
+ (int)strcspn(system_utsname.version, " "),
+ system_utsname.version);
print_symbol(KERN_EMERG "EIP is at %s\n", regs->eip);
printk(KERN_EMERG "eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
regs->eax, regs->ebx, regs->ecx, regs->edx);
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/i386/mm/pgtable-xen.c
--- a/linux-2.6-xen-sparse/arch/i386/mm/pgtable-xen.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/i386/mm/pgtable-xen.c Wed Feb 15 22:06:12 2006
@@ -227,7 +227,6 @@
set_page_count(pte, 1);
}
#endif
-
return pte;
}
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/arch/x86_64/Makefile
--- a/linux-2.6-xen-sparse/arch/x86_64/Makefile Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/Makefile Wed Feb 15 22:06:12 2006
@@ -82,7 +82,7 @@
vmlinuz: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
-install: vmlinux
+install:
$(Q)$(MAKE) $(build)=$(boot) XENGUEST=$(XENGUEST) $@
else
#Default target when executing "make"
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/ia32/ia32entry-xen.S
--- a/linux-2.6-xen-sparse/arch/x86_64/ia32/ia32entry-xen.S Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/ia32/ia32entry-xen.S Wed Feb 15
22:06:12 2006
@@ -704,7 +704,7 @@
.quad sys_mknodat
.quad sys_fchownat
.quad compat_sys_futimesat
- .quad compat_sys_newfstatat /* 300 */
+ .quad sys32_fstatat /* 300 */
.quad sys_unlinkat
.quad sys_renameat
.quad sys_linkat
@@ -712,6 +712,9 @@
.quad sys_readlinkat /* 305 */
.quad sys_fchmodat
.quad sys_faccessat
+ .quad sys_ni_syscall /* pselect6 for now */
+ .quad sys_ni_syscall /* ppoll for now */
+ .quad sys_unshare /* 310 */
ia32_syscall_end:
.rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8
.quad ni_syscall
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/apic-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/apic-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/apic-xen.c Wed Feb 15
22:06:12 2006
@@ -38,6 +38,26 @@
int apic_verbosity;
+/*
+ * 'what should we do if we get a hw irq event on an illegal vector'.
+ * each architecture has to answer this themselves.
+ */
+void ack_bad_irq(unsigned int irq)
+{
+ printk("unexpected IRQ trap at vector %02x\n", irq);
+ /*
+ * Currently unexpected vectors happen only on SMP and APIC.
+ * We _must_ ack these because every local APIC has only N
+ * irq slots per priority level, and a 'hanging, unacked' IRQ
+ * holds up an irq slot - in excessive cases (when multiple
+ * unexpected vectors occur) that might lock up the APIC
+ * completely.
+ * But don't ack when the APIC is disabled. -AK
+ */
+ if (!disable_apic)
+ ack_APIC_irq();
+}
+
#ifdef CONFIG_XEN
void switch_APIC_timer_to_ipi(void *cpumask) { }
EXPORT_SYMBOL(switch_APIC_timer_to_ipi);
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/entry-xen.S
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/entry-xen.S Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/entry-xen.S Wed Feb 15
22:06:12 2006
@@ -996,7 +996,7 @@
#if 0
/* runs on exception stack */
-ENTRY(nmi)
+KPROBE_ENTRY(nmi)
INTR_FRAME
pushq $-1
CFI_ADJUST_CFA_OFFSET 8
@@ -1043,6 +1043,7 @@
cli
jmp paranoid_userspace
CFI_ENDPROC
+ .previous .text
#endif
KPROBE_ENTRY(int3)
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/io_apic-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/io_apic-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/io_apic-xen.c Wed Feb 15
22:06:12 2006
@@ -353,6 +353,16 @@
"Nvidia board detected. Ignoring ACPI timer override.\n");
#endif
/* RED-PEN skip them on mptables too? */
+ return;
+ case PCI_VENDOR_ID_ATI:
+#ifndef CONFIG_XEN
+ if (apic_runs_main_timer != 0)
+ break;
+ printk(KERN_INFO
+ "ATI board detected. Using APIC/PM timer.\n");
+ apic_runs_main_timer = 1;
+ nohpet = 1;
+#endif
return;
}
@@ -2105,7 +2115,7 @@
}
-int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int
polarity)
+int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int
active_high_low)
{
struct IO_APIC_route_entry entry;
unsigned long flags;
@@ -2127,8 +2137,8 @@
entry.delivery_mode = INT_DELIVERY_MODE;
entry.dest_mode = INT_DEST_MODE;
entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
- entry.trigger = triggering;
- entry.polarity = polarity;
+ entry.trigger = edge_level;
+ entry.polarity = active_high_low;
entry.mask = 1; /* Disabled (masked) */
irq = gsi_irq_sharing(irq);
@@ -2143,9 +2153,9 @@
apic_printk(APIC_VERBOSE,KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry
(%d-%d -> 0x%x -> "
"IRQ %d Mode:%i Active:%i)\n", ioapic,
mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq,
- triggering, polarity);
-
- ioapic_register_intr(irq, entry.vector, triggering);
+ edge_level, active_high_low);
+
+ ioapic_register_intr(irq, entry.vector, edge_level);
if (!ioapic && (irq < 16))
disable_8259A_irq(irq);
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/irq-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/irq-xen.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/irq-xen.c Wed Feb 15 22:06:12 2006
@@ -155,3 +155,14 @@
local_irq_restore(flags);
}
EXPORT_SYMBOL(do_softirq);
+
+#ifndef CONFIG_X86_LOCAL_APIC
+/*
+ * 'what should we do if we get a hw irq event on an illegal vector'.
+ * each architecture has to answer this themselves.
+ */
+void ack_bad_irq(unsigned int irq)
+{
+ printk("unexpected IRQ trap at vector %02x\n", irq);
+}
+#endif
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/mpparse-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/mpparse-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/mpparse-xen.c Wed Feb 15
22:06:12 2006
@@ -687,6 +687,8 @@
#ifndef CONFIG_XEN
mp_lapic_addr = (unsigned long) address;
+ set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr);
+
if (boot_cpu_id == -1U)
boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
@@ -782,6 +784,9 @@
mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE;
mp_ioapics[idx].mpc_apicaddr = address;
+#ifndef CONFIG_XEN
+ set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
+#endif
mp_ioapics[idx].mpc_apicid = id;
mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/process-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/process-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/process-xen.c Wed Feb 15
22:06:12 2006
@@ -454,8 +454,10 @@
* This could still be optimized:
* - fold all the options into a flag word and test it with a single test.
* - could test fs/gs bitsliced
- */
-struct task_struct *
+ *
+ * Kprobes not supported here. Set the probe on schedule instead.
+ */
+__kprobes struct task_struct *
__switch_to(struct task_struct *prev_p, struct task_struct *next_p)
{
struct thread_struct *prev = &prev_p->thread,
@@ -494,7 +496,7 @@
if (unlikely(next->tls_array[i] != prev->tls_array[i])) { \
mcl->op = __HYPERVISOR_update_descriptor; \
mcl->args[0] = virt_to_machine( \
- &get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN + i]);\
+ &cpu_gdt(cpu)[GDT_ENTRY_TLS_MIN + i]); \
mcl->args[1] = next->tls_array[i]; \
mcl++; \
} \
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/setup-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/setup-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/setup-xen.c Wed Feb 15
22:06:12 2006
@@ -130,7 +130,6 @@
/*
* Setup options
*/
-struct drive_info_struct { char dummy[32]; } drive_info;
struct screen_info screen_info;
struct sys_desc_table_struct {
unsigned short length;
@@ -628,7 +627,6 @@
#ifdef CONFIG_XEN
ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
- drive_info = DRIVE_INFO;
kernel_end = 0; /* dummy */
screen_info = SCREEN_INFO;
@@ -664,7 +662,6 @@
ARCH_SETUP
#else
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
- drive_info = DRIVE_INFO;
screen_info = SCREEN_INFO;
edid_info = EDID_INFO;
saved_video_mode = SAVED_VIDEO_MODE;
@@ -936,7 +933,7 @@
e820_setup_gap();
#ifdef CONFIG_GART_IOMMU
- iommu_hole_init();
+ iommu_hole_init();
#endif
#ifdef CONFIG_XEN
@@ -1101,6 +1098,7 @@
static int __init init_amd(struct cpuinfo_x86 *c)
{
int r;
+ unsigned level;
#ifdef CONFIG_SMP
unsigned long value;
@@ -1123,6 +1121,11 @@
3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */
clear_bit(0*32+31, &c->x86_capability);
+ /* On C+ stepping K8 rep microcode works well for copy/memset */
+ level = cpuid_eax(1);
+ if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >=
0x0f58))
+ set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
+
r = get_model_name(c);
if (!r) {
switch (c->x86) {
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/traps-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/traps-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/traps-xen.c Wed Feb 15
22:06:12 2006
@@ -90,6 +90,20 @@
local_irq_enable();
}
+static inline void preempt_conditional_sti(struct pt_regs *regs)
+{
+ preempt_disable();
+ if (regs->eflags & X86_EFLAGS_IF)
+ local_irq_enable();
+}
+
+static inline void preempt_conditional_cli(struct pt_regs *regs)
+{
+ if (regs->eflags & X86_EFLAGS_IF)
+ local_irq_disable();
+ preempt_enable_no_resched();
+}
+
static int kstack_depth_to_print = 10;
#ifdef CONFIG_KALLSYMS
@@ -372,7 +386,7 @@
static DEFINE_SPINLOCK(die_lock);
static int die_owner = -1;
-unsigned long oops_begin(void)
+unsigned __kprobes long oops_begin(void)
{
int cpu = safe_smp_processor_id();
unsigned long flags;
@@ -391,7 +405,7 @@
return flags;
}
-void oops_end(unsigned long flags)
+void __kprobes oops_end(unsigned long flags)
{
die_owner = -1;
bust_spinlocks(0);
@@ -400,7 +414,7 @@
panic("Oops");
}
-void __die(const char * str, struct pt_regs * regs, long err)
+void __kprobes __die(const char * str, struct pt_regs * regs, long err)
{
static int die_counter;
printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff,++die_counter);
@@ -433,7 +447,7 @@
}
#ifdef CONFIG_X86_LOCAL_APIC
-void die_nmi(char *str, struct pt_regs *regs)
+void __kprobes die_nmi(char *str, struct pt_regs *regs)
{
unsigned long flags = oops_begin();
@@ -577,7 +591,8 @@
}
}
-static void mem_parity_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+mem_parity_error(unsigned char reason, struct pt_regs * regs)
{
printk("Uhhuh. NMI received. Dazed and confused, but trying to
continue\n");
printk("You probably have a hardware problem with your RAM chips\n");
@@ -589,7 +604,8 @@
#endif /* XEN */
}
-static void io_check_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+io_check_error(unsigned char reason, struct pt_regs * regs)
{
printk("NMI: IOCK error (debug interrupt?)\n");
show_registers(regs);
@@ -604,7 +620,8 @@
#endif /* XEN */
}
-static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
{ printk("Uhhuh. NMI received for unknown reason %02x.\n", reason);
printk("Dazed and confused, but trying to continue\n");
printk("Do you have a strange power saving mode enabled?\n");
@@ -612,7 +629,7 @@
/* Runs on IST stack. This code must keep interrupts off all the time.
Nested NMIs are prevented by the CPU. */
-asmlinkage void default_do_nmi(struct pt_regs *regs)
+asmlinkage __kprobes void default_do_nmi(struct pt_regs *regs)
{
unsigned char reason = 0;
int cpu;
@@ -664,7 +681,7 @@
/* Help handler running on IST stack to switch back to user stack
for scheduling or signal handling. The actual stack switch is done in
entry.S */
-asmlinkage struct pt_regs *sync_regs(struct pt_regs *eregs)
+asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
{
struct pt_regs *regs = eregs;
/* Did already sync */
@@ -696,7 +713,7 @@
SIGTRAP) == NOTIFY_STOP)
return;
- conditional_sti(regs);
+ preempt_conditional_sti(regs);
/* Mask out spurious debug traps due to lazy DR7 setting */
if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) {
@@ -741,11 +758,13 @@
clear_dr7:
set_debugreg(0UL, 7);
+ preempt_conditional_cli(regs);
return;
clear_TF_reenable:
set_tsk_thread_flag(tsk, TIF_SINGLESTEP);
regs->eflags &= ~TF_MASK;
+ preempt_conditional_cli(regs);
}
static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr)
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/kernel/x8664_ksyms-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/x8664_ksyms-xen.c Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/kernel/x8664_ksyms-xen.c Wed Feb 15
22:06:12 2006
@@ -37,11 +37,6 @@
#ifdef CONFIG_SMP
extern void __write_lock_failed(rwlock_t *rw);
extern void __read_lock_failed(rwlock_t *rw);
-#endif
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) ||
defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE)
-extern struct drive_info_struct drive_info;
-EXPORT_SYMBOL(drive_info);
#endif
/* platform dependent support */
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c
--- a/linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c Wed Feb 15 22:06:12 2006
@@ -33,7 +33,6 @@
#include <asm/proto.h>
#include <asm/kdebug.h>
#include <asm-generic/sections.h>
-#include <asm/kdebug.h>
/* Page fault error code bits */
#define PF_PROT (1<<0) /* or no page found */
@@ -158,8 +157,8 @@
pgd = __va((unsigned long)pgd & PHYSICAL_PAGE_MASK);
pgd += pgd_index(address);
+ if (bad_address(pgd)) goto bad;
printk("PGD %lx ", pgd_val(*pgd));
- if (bad_address(pgd)) goto bad;
if (!pgd_present(*pgd)) goto ret;
pud = __pud_offset_k((pud_t *)pgd_page(*pgd), address);
@@ -331,7 +330,7 @@
siginfo_t info;
if (!user_mode(regs))
- error_code &= ~4; /* means kernel */
+ error_code &= ~PF_USER; /* means kernel */
/* get the address */
address = HYPERVISOR_shared_info->vcpu_info[
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/drivers/Makefile
--- a/linux-2.6-xen-sparse/drivers/Makefile Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/drivers/Makefile Wed Feb 15 22:06:12 2006
@@ -70,7 +70,7 @@
obj-$(CONFIG_CPU_FREQ) += cpufreq/
obj-$(CONFIG_MMC) += mmc/
obj-$(CONFIG_INFINIBAND) += infiniband/
-obj-$(CONFIG_SGI_IOC4) += sn/
+obj-$(CONFIG_SGI_SN) += sn/
obj-y += firmware/
obj-$(CONFIG_CRYPTO) += crypto/
obj-$(CONFIG_SUPERH) += sh/
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/drivers/char/tty_io.c
--- a/linux-2.6-xen-sparse/drivers/char/tty_io.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/drivers/char/tty_io.c Wed Feb 15 22:06:12 2006
@@ -255,6 +255,7 @@
static void tty_buffer_init(struct tty_struct *tty)
{
+ spin_lock_init(&tty->buf.lock);
tty->buf.head = NULL;
tty->buf.tail = NULL;
tty->buf.free = NULL;
@@ -268,6 +269,9 @@
p->used = 0;
p->size = size;
p->next = NULL;
+ p->active = 0;
+ p->commit = 0;
+ p->read = 0;
p->char_buf_ptr = (char *)(p->data);
p->flag_buf_ptr = (unsigned char *)p->char_buf_ptr + size;
/* printk("Flip create %p\n", p); */
@@ -298,6 +302,8 @@
*tbh = t->next;
t->next = NULL;
t->used = 0;
+ t->commit = 0;
+ t->read = 0;
/* DEBUG ONLY */
memset(t->data, '*', size);
/* printk("Flip recycle %p\n", t); */
@@ -314,25 +320,37 @@
int tty_buffer_request_room(struct tty_struct *tty, size_t size)
{
- struct tty_buffer *b = tty->buf.tail, *n;
- int left = 0;
+ struct tty_buffer *b, *n;
+ int left;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tty->buf.lock, flags);
/* OPTIMISATION: We could keep a per tty "zero" sized buffer to
remove this conditional if its worth it. This would be invisible
to the callers */
- if(b != NULL)
+ if ((b = tty->buf.tail) != NULL) {
left = b->size - b->used;
- if(left >= size)
- return size;
- /* This is the slow path - looking for new buffers to use */
- n = tty_buffer_find(tty, size);
- if(n == NULL)
- return left;
- if(b != NULL)
- b->next = n;
- else
- tty->buf.head = n;
- tty->buf.tail = n;
+ b->active = 1;
+ } else
+ left = 0;
+
+ if (left < size) {
+ /* This is the slow path - looking for new buffers to use */
+ if ((n = tty_buffer_find(tty, size)) != NULL) {
+ if (b != NULL) {
+ b->next = n;
+ b->active = 0;
+ b->commit = b->used;
+ } else
+ tty->buf.head = n;
+ tty->buf.tail = n;
+ n->active = 1;
+ } else
+ size = left;
+ }
+
+ spin_unlock_irqrestore(&tty->buf.lock, flags);
return size;
}
@@ -398,10 +416,12 @@
int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars,
size_t size)
{
int space = tty_buffer_request_room(tty, size);
- struct tty_buffer *tb = tty->buf.tail;
- *chars = tb->char_buf_ptr + tb->used;
- memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space);
- tb->used += space;
+ if (likely(space)) {
+ struct tty_buffer *tb = tty->buf.tail;
+ *chars = tb->char_buf_ptr + tb->used;
+ memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space);
+ tb->used += space;
+ }
return space;
}
@@ -418,10 +438,12 @@
int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char
**chars, char **flags, size_t size)
{
int space = tty_buffer_request_room(tty, size);
- struct tty_buffer *tb = tty->buf.tail;
- *chars = tb->char_buf_ptr + tb->used;
- *flags = tb->flag_buf_ptr + tb->used;
- tb->used += space;
+ if (likely(space)) {
+ struct tty_buffer *tb = tty->buf.tail;
+ *chars = tb->char_buf_ptr + tb->used;
+ *flags = tb->flag_buf_ptr + tb->used;
+ tb->used += space;
+ }
return space;
}
@@ -2737,6 +2759,9 @@
unsigned long flags;
struct tty_ldisc *disc;
struct tty_buffer *tbuf;
+ int count;
+ char *char_buf;
+ unsigned char *flag_buf;
disc = tty_ldisc_ref(tty);
if (disc == NULL) /* !TTY_LDISC */
@@ -2749,20 +2774,24 @@
schedule_delayed_work(&tty->buf.work, 1);
goto out;
}
- spin_lock_irqsave(&tty->read_lock, flags);
+ spin_lock_irqsave(&tty->buf.lock, flags);
while((tbuf = tty->buf.head) != NULL) {
+ while ((count = tbuf->commit - tbuf->read) != 0) {
+ char_buf = tbuf->char_buf_ptr + tbuf->read;
+ flag_buf = tbuf->flag_buf_ptr + tbuf->read;
+ tbuf->read += count;
+ spin_unlock_irqrestore(&tty->buf.lock, flags);
+ disc->receive_buf(tty, char_buf, flag_buf, count);
+ spin_lock_irqsave(&tty->buf.lock, flags);
+ }
+ if (tbuf->active)
+ break;
tty->buf.head = tbuf->next;
if (tty->buf.head == NULL)
tty->buf.tail = NULL;
- spin_unlock_irqrestore(&tty->read_lock, flags);
- /* printk("Process buffer %p for %d\n", tbuf, tbuf->used); */
- disc->receive_buf(tty, tbuf->char_buf_ptr,
- tbuf->flag_buf_ptr,
- tbuf->used);
- spin_lock_irqsave(&tty->read_lock, flags);
tty_buffer_free(tty, tbuf);
}
- spin_unlock_irqrestore(&tty->read_lock, flags);
+ spin_unlock_irqrestore(&tty->buf.lock, flags);
out:
tty_ldisc_deref(disc);
}
@@ -2854,6 +2883,14 @@
void tty_flip_buffer_push(struct tty_struct *tty)
{
+ unsigned long flags;
+ spin_lock_irqsave(&tty->buf.lock, flags);
+ if (tty->buf.tail != NULL) {
+ tty->buf.tail->active = 0;
+ tty->buf.tail->commit = tty->buf.tail->used;
+ }
+ spin_unlock_irqrestore(&tty->buf.lock, flags);
+
if (tty->low_latency)
flush_to_ldisc((void *) tty);
else
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/drivers/serial/Kconfig
--- a/linux-2.6-xen-sparse/drivers/serial/Kconfig Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/drivers/serial/Kconfig Wed Feb 15 22:06:12 2006
@@ -99,6 +99,7 @@
config SERIAL_8250_RUNTIME_UARTS
int "Number of 8250/16550 serial ports to register at runtime"
depends on SERIAL_8250
+ range 0 SERIAL_8250_NR_UARTS
default "4"
help
Set this to the maximum number of serial ports you want
@@ -893,20 +894,20 @@
a console on a serial port, say Y. Otherwise, say N.
config SERIAL_JSM
- tristate "Digi International NEO PCI Support"
- depends on PCI && BROKEN
- select SERIAL_CORE
- help
- This is a driver for Digi International's Neo series
- of cards which provide multiple serial ports. You would need
- something like this to connect more than two modems to your Linux
- box, for instance in order to become a dial-in server. This driver
- supports PCI boards only.
- If you have a card like this, say Y here and read the file
- <file:Documentation/jsm.txt>.
-
- To compile this driver as a module, choose M here: the
- module will be called jsm.
+ tristate "Digi International NEO PCI Support"
+ depends on PCI
+ select SERIAL_CORE
+ help
+ This is a driver for Digi International's Neo series
+ of cards which provide multiple serial ports. You would need
+ something like this to connect more than two modems to your Linux
+ box, for instance in order to become a dial-in server. This driver
+ supports PCI boards only.
+ If you have a card like this, say Y here and read the file
+ <file:Documentation/jsm.txt>.
+
+ To compile this driver as a module, choose M here: the
+ module will be called jsm.
config SERIAL_SGI_IOC4
tristate "SGI IOC4 controller serial support"
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/fs/Kconfig
--- a/linux-2.6-xen-sparse/fs/Kconfig Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/fs/Kconfig Wed Feb 15 22:06:12 2006
@@ -883,8 +883,6 @@
Both sysfs and configfs can and should exist together on the
same system. One is not a replacement for the other.
-
- If unsure, say N.
endmenu
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/desc.h
--- a/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/desc.h Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/desc.h Wed Feb 15
22:06:12 2006
@@ -13,7 +13,7 @@
#include <asm/mmu.h>
-extern struct desc_struct cpu_gdt_table[NR_CPUS][GDT_ENTRIES];
+extern struct desc_struct cpu_gdt_table[GDT_ENTRIES];
DECLARE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-i386/system.h
--- a/linux-2.6-xen-sparse/include/asm-i386/system.h Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-i386/system.h Wed Feb 15 22:06:12 2006
@@ -503,7 +503,6 @@
#endif
#ifdef CONFIG_SMP
-#define smp_wmb() wmb()
#if defined(CONFIG_SMP_ALTERNATIVES) && !defined(MODULE)
#define smp_alt_mb(instr) \
__asm__ __volatile__("6667:\nnop\nnop\nnop\nnop\nnop\nnop\n6668:\n" \
@@ -524,8 +523,8 @@
: \
: "i" (X86_FEATURE_XMM2) \
: "memory")
+#define smp_mb() smp_alt_mb("mfence")
#define smp_rmb() smp_alt_mb("lfence")
-#define smp_mb() smp_alt_mb("mfence")
#define set_mb(var, value) do { \
unsigned long __set_mb_temp; \
__asm__ __volatile__("6667:movl %1, %0\n6668:\n" \
@@ -547,10 +546,11 @@
: "1" (value) \
: "memory"); } while (0)
#else
+#define smp_mb() mb()
#define smp_rmb() rmb()
-#define smp_mb() mb()
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
-#endif
+#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
+#endif
+#define smp_wmb() wmb()
#define smp_read_barrier_depends() read_barrier_depends()
#else
#define smp_mb() barrier()
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/desc.h
--- a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/desc.h Wed Feb
15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/desc.h Wed Feb
15 22:06:12 2006
@@ -68,8 +68,6 @@
extern struct desc_ptr idt_descr, cpu_gdt_descr[NR_CPUS];
extern struct desc_struct cpu_gdt_table[GDT_ENTRIES];
-
-#define get_cpu_gdt_table(_cpu) ((struct desc_struct
*)(cpu_gdt_descr[(_cpu)].address))
#define load_TR_desc() asm volatile("ltr %w0"::"r" (GDT_ENTRY_TSS*8))
#define load_LDT_desc() asm volatile("lldt %w0"::"r" (GDT_ENTRY_LDT*8))
@@ -163,7 +161,7 @@
* -1? seg base+limit should be pointing to the address of the
* last valid byte
*/
- set_tssldt_descriptor(&cpu_gdt(cpu)[GDT_ENTRY_TSS],
+ set_tssldt_descriptor(&cpu_gdt(cpu)[GDT_ENTRY_TSS],
(unsigned long)addr, DESC_TSS,
IO_BITMAP_OFFSET + IO_BITMAP_BYTES + sizeof(unsigned long) - 1);
}
@@ -225,7 +223,7 @@
gdt[2] = t->tls_array[2];
#endif
#define C(i) \
-
HYPERVISOR_update_descriptor(virt_to_machine(&get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN
+ i]), t->tls_array[i])
+
HYPERVISOR_update_descriptor(virt_to_machine(&cpu_gdt(cpu)[GDT_ENTRY_TLS_MIN +
i]), t->tls_array[i])
C(0); C(1); C(2);
#undef C
@@ -236,13 +234,13 @@
*/
static inline void load_LDT_nolock (mm_context_t *pc, int cpu)
{
- void *segments = pc->ldt;
- int count = pc->size;
-
- if (likely(!count))
- segments = NULL;
-
- xen_set_ldt((unsigned long)segments, count);
+ void *segments = pc->ldt;
+ int count = pc->size;
+
+ if (likely(!count))
+ segments = NULL;
+
+ xen_set_ldt((unsigned long)segments, count);
}
static inline void load_LDT(mm_context_t *pc)
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/io.h
--- a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/io.h Wed Feb 15
14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/io.h Wed Feb 15
22:06:12 2006
@@ -3,6 +3,7 @@
#include <linux/config.h>
#include <asm/fixmap.h>
+
/*
* This file contains the definitions for the x86 IO instructions
* inb/inw/inl/outb/outw/outl and the "string versions" of the same
@@ -119,7 +120,6 @@
{
return __va(address);
}
-
#define virt_to_bus(_x) phys_to_machine(__pa(_x))
#define bus_to_virt(_x) __va(machine_to_phys(_x))
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/processor.h
--- a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/processor.h Wed Feb
15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/processor.h Wed Feb
15 22:06:12 2006
@@ -156,7 +156,6 @@
}
}
-
static inline void clear_in_cr4 (unsigned long mask)
{
#ifndef CONFIG_XEN
@@ -175,7 +174,6 @@
*/
#define MCA_bus 0
#define MCA_bus__is_a_macro
-
/*
* User space process size. 47bits minus one guard page.
@@ -278,7 +276,7 @@
unsigned io_bitmap_max;
/* cached TLS descriptors. */
u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
- unsigned int iopl;
+ unsigned int iopl;
} __attribute__((aligned(16)));
#define INIT_THREAD { \
diff -r 1346a69694be -r 1ca3d63e7008
linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/smp.h
--- a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/smp.h Wed Feb
15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/smp.h Wed Feb
15 22:06:12 2006
@@ -100,6 +100,7 @@
extern u8 x86_cpu_to_apicid[NR_CPUS]; /* physical ID */
extern u8 x86_cpu_to_log_apicid[NR_CPUS];
extern u8 bios_cpu_apicid[];
+
#ifdef CONFIG_X86_LOCAL_APIC
static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
{
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/include/linux/mm.h
--- a/linux-2.6-xen-sparse/include/linux/mm.h Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/include/linux/mm.h Wed Feb 15 22:06:12 2006
@@ -309,7 +309,7 @@
*/
#define put_page_testzero(p) \
({ \
- BUG_ON(page_count(p) == 0); \
+ BUG_ON(atomic_read(&(p)->_count) == -1);\
atomic_add_negative(-1, &(p)->_count); \
})
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/mm/memory.c
--- a/linux-2.6-xen-sparse/mm/memory.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/mm/memory.c Wed Feb 15 22:06:12 2006
@@ -1011,7 +1011,7 @@
}
#ifdef CONFIG_XEN
- if (vma && (vma->vm_flags & VM_FOREIGN)) {
+ if (vma && (vma->vm_flags & VM_FOREIGN)) {
struct page **map = vma->vm_private_data;
int offset = (start - vma->vm_start) >> PAGE_SHIFT;
@@ -1025,7 +1025,7 @@
len--;
continue;
}
- }
+ }
#endif
if (!vma || (vma->vm_flags & (VM_IO | VM_PFNMAP))
|| !(vm_flags & vma->vm_flags))
@@ -1367,66 +1367,60 @@
EXPORT_SYMBOL(remap_pfn_range);
#ifdef CONFIG_XEN
-static inline int generic_pte_range(struct mm_struct *mm,
- pmd_t *pmd,
- unsigned long addr,
- unsigned long end,
- pte_fn_t fn, void *data)
+static inline int generic_pte_range(struct mm_struct *mm, pmd_t *pmd,
+ unsigned long addr, unsigned long end,
+ pte_fn_t fn, void *data)
{
pte_t *pte;
- int err;
- struct page *pte_page;
-
- pte = (mm == &init_mm) ?
- pte_alloc_kernel(pmd, addr) :
- pte_alloc_map(mm, pmd, addr);
- if (!pte)
- return -ENOMEM;
-
- pte_page = pmd_page(*pmd);
-
- do {
- err = fn(pte, pte_page, addr, data);
+ int err;
+ struct page *pte_page;
+
+ pte = (mm == &init_mm) ?
+ pte_alloc_kernel(pmd, addr) :
+ pte_alloc_map(mm, pmd, addr);
+ if (!pte)
+ return -ENOMEM;
+
+ pte_page = pmd_page(*pmd);
+
+ do {
+ err = fn(pte, pte_page, addr, data);
if (err)
- break;
- } while (pte++, addr += PAGE_SIZE, addr != end);
-
- if (mm != &init_mm)
- pte_unmap(pte-1);
- return err;
-
-}
-
-static inline int generic_pmd_range(struct mm_struct *mm,
- pud_t *pud,
- unsigned long addr,
- unsigned long end,
- pte_fn_t fn, void *data)
+ break;
+ } while (pte++, addr += PAGE_SIZE, addr != end);
+
+ if (mm != &init_mm)
+ pte_unmap(pte-1);
+ return err;
+}
+
+static inline int generic_pmd_range(struct mm_struct *mm, pud_t *pud,
+ unsigned long addr, unsigned long end,
+ pte_fn_t fn, void *data)
{
pmd_t *pmd;
unsigned long next;
- int err;
+ int err;
pmd = pmd_alloc(mm, pud, addr);
if (!pmd)
return -ENOMEM;
do {
next = pmd_addr_end(addr, end);
- err = generic_pte_range(mm, pmd, addr, next, fn, data);
- if (err)
- break;
+ err = generic_pte_range(mm, pmd, addr, next, fn, data);
+ if (err)
+ break;
} while (pmd++, addr = next, addr != end);
return err;
}
static inline int generic_pud_range(struct mm_struct *mm, pgd_t *pgd,
- unsigned long addr,
- unsigned long end,
- pte_fn_t fn, void *data)
+ unsigned long addr, unsigned long end,
+ pte_fn_t fn, void *data)
{
pud_t *pud;
unsigned long next;
- int err;
+ int err;
pud = pud_alloc(mm, pgd, addr);
if (!pud)
@@ -1434,7 +1428,7 @@
do {
next = pud_addr_end(addr, end);
err = generic_pmd_range(mm, pud, addr, next, fn, data);
- if (err)
+ if (err)
break;
} while (pud++, addr = next, addr != end);
return err;
@@ -1445,7 +1439,7 @@
* and calling a provided function on each leaf page table.
*/
int generic_page_range(struct mm_struct *mm, unsigned long addr,
- unsigned long size, pte_fn_t fn, void *data)
+ unsigned long size, pte_fn_t fn, void *data)
{
pgd_t *pgd;
unsigned long next;
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/mm/page_alloc.c
--- a/linux-2.6-xen-sparse/mm/page_alloc.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/mm/page_alloc.c Wed Feb 15 22:06:12 2006
@@ -1215,18 +1215,21 @@
{
int cpu = 0;
- memset(ret, 0, sizeof(*ret));
+ memset(ret, 0, nr * sizeof(unsigned long));
cpus_and(*cpumask, *cpumask, cpu_online_map);
cpu = first_cpu(*cpumask);
while (cpu < NR_CPUS) {
unsigned long *in, *out, off;
+ if (!cpu_isset(cpu, *cpumask))
+ continue;
+
in = (unsigned long *)&per_cpu(page_states, cpu);
cpu = next_cpu(cpu, *cpumask);
- if (cpu < NR_CPUS)
+ if (likely(cpu < NR_CPUS))
prefetch(&per_cpu(page_states, cpu));
out = (unsigned long *)ret;
@@ -1888,8 +1891,7 @@
* not check if the processor is online before following the pageset pointer.
* Other parts of the kernel may not check if the zone is available.
*/
-static struct per_cpu_pageset
- boot_pageset[NR_CPUS];
+static struct per_cpu_pageset boot_pageset[NR_CPUS];
/*
* Dynamically allocate memory for the
diff -r 1346a69694be -r 1ca3d63e7008 linux-2.6-xen-sparse/net/core/dev.c
--- a/linux-2.6-xen-sparse/net/core/dev.c Wed Feb 15 14:20:32 2006
+++ b/linux-2.6-xen-sparse/net/core/dev.c Wed Feb 15 22:06:12 2006
@@ -3287,7 +3287,7 @@
* Initialise the packet receive queues.
*/
- for (i = 0; i < NR_CPUS; i++) {
+ for_each_cpu(i) {
struct softnet_data *queue;
queue = &per_cpu(softnet_data, i);
diff -r 1346a69694be -r 1ca3d63e7008
patches/linux-2.6.16-rc3/i386-mach-io-check-nmi.patch
--- /dev/null Wed Feb 15 14:20:32 2006
+++ b/patches/linux-2.6.16-rc3/i386-mach-io-check-nmi.patch Wed Feb 15
22:06:12 2006
@@ -0,0 +1,45 @@
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/kernel/traps.c
./arch/i386/kernel/traps.c
+--- ../pristine-linux-2.6.16-rc3/arch/i386/kernel/traps.c 2006-02-15
20:38:51.000000000 +0000
++++ ./arch/i386/kernel/traps.c 2006-02-15 20:40:43.000000000 +0000
+@@ -567,18 +567,11 @@ static void mem_parity_error(unsigned ch
+
+ static void io_check_error(unsigned char reason, struct pt_regs * regs)
+ {
+- unsigned long i;
+-
+ printk(KERN_EMERG "NMI: IOCK error (debug interrupt?)\n");
+ show_registers(regs);
+
+ /* Re-enable the IOCK line, wait for a few seconds */
+- reason = (reason & 0xf) | 8;
+- outb(reason, 0x61);
+- i = 2000;
+- while (--i) udelay(1000);
+- reason &= ~8;
+- outb(reason, 0x61);
++ clear_io_check_error(reason);
+ }
+
+ static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
+diff -pruN
../pristine-linux-2.6.16-rc3/include/asm-i386/mach-default/mach_traps.h
./include/asm-i386/mach-default/mach_traps.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/mach-default/mach_traps.h
2006-01-03 03:21:10.000000000 +0000
++++ ./include/asm-i386/mach-default/mach_traps.h 2006-02-15
20:40:43.000000000 +0000
+@@ -15,6 +15,18 @@ static inline void clear_mem_error(unsig
+ outb(reason, 0x61);
+ }
+
++static inline void clear_io_check_error(unsigned char reason)
++{
++ unsigned long i;
++
++ reason = (reason & 0xf) | 8;
++ outb(reason, 0x61);
++ i = 2000;
++ while (--i) udelay(1000);
++ reason &= ~8;
++ outb(reason, 0x61);
++}
++
+ static inline unsigned char get_nmi_reason(void)
+ {
+ return inb(0x61);
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc3/net-csum.patch
--- /dev/null Wed Feb 15 14:20:32 2006
+++ b/patches/linux-2.6.16-rc3/net-csum.patch Wed Feb 15 22:06:12 2006
@@ -0,0 +1,41 @@
+diff -pruN
../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_tcp.c
./net/ipv4/netfilter/ip_nat_proto_tcp.c
+--- ../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_tcp.c
2006-02-02 17:39:51.000000000 +0000
++++ ./net/ipv4/netfilter/ip_nat_proto_tcp.c 2006-02-02 17:44:18.000000000
+0000
+@@ -129,10 +129,14 @@ tcp_manip_pkt(struct sk_buff **pskb,
+ if (hdrsize < sizeof(*hdr))
+ return 1;
+
+- hdr->check = ip_nat_cheat_check(~oldip, newip,
++ if ((*pskb)->proto_csum_blank) {
++ hdr->check = ip_nat_cheat_check(oldip, ~newip, hdr->check);
++ } else {
++ hdr->check = ip_nat_cheat_check(~oldip, newip,
+ ip_nat_cheat_check(oldport ^ 0xFFFF,
+ newport,
+ hdr->check));
++ }
+ return 1;
+ }
+
+diff -pruN
../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_udp.c
./net/ipv4/netfilter/ip_nat_proto_udp.c
+--- ../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_udp.c
2006-02-02 17:39:51.000000000 +0000
++++ ./net/ipv4/netfilter/ip_nat_proto_udp.c 2006-02-02 17:44:18.000000000
+0000
+@@ -113,11 +113,16 @@ udp_manip_pkt(struct sk_buff **pskb,
+ newport = tuple->dst.u.udp.port;
+ portptr = &hdr->dest;
+ }
+- if (hdr->check) /* 0 is a special case meaning no checksum */
+- hdr->check = ip_nat_cheat_check(~oldip, newip,
++ if (hdr->check) { /* 0 is a special case meaning no checksum */
++ if ((*pskb)->proto_csum_blank) {
++ hdr->check = ip_nat_cheat_check(oldip, ~newip,
hdr->check);
++ } else {
++ hdr->check = ip_nat_cheat_check(~oldip, newip,
+ ip_nat_cheat_check(*portptr ^ 0xFFFF,
+ newport,
+ hdr->check));
++ }
++ }
+ *portptr = newport;
+ return 1;
+ }
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc3/pmd-shared.patch
--- /dev/null Wed Feb 15 14:20:32 2006
+++ b/patches/linux-2.6.16-rc3/pmd-shared.patch Wed Feb 15 22:06:12 2006
@@ -0,0 +1,111 @@
+diff -pruN ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pageattr.c
./arch/i386/mm/pageattr.c
+--- ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pageattr.c 2006-02-02
17:39:29.000000000 +0000
++++ ./arch/i386/mm/pageattr.c 2006-02-02 17:45:14.000000000 +0000
+@@ -78,7 +78,7 @@ static void set_pmd_pte(pte_t *kpte, uns
+ unsigned long flags;
+
+ set_pte_atomic(kpte, pte); /* change init_mm */
+- if (PTRS_PER_PMD > 1)
++ if (HAVE_SHARED_KERNEL_PMD)
+ return;
+
+ spin_lock_irqsave(&pgd_lock, flags);
+diff -pruN ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pgtable.c
./arch/i386/mm/pgtable.c
+--- ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pgtable.c 2006-01-03
03:21:10.000000000 +0000
++++ ./arch/i386/mm/pgtable.c 2006-02-02 17:45:14.000000000 +0000
+@@ -215,9 +215,10 @@ void pgd_ctor(void *pgd, kmem_cache_t *c
+ spin_lock_irqsave(&pgd_lock, flags);
+ }
+
+- clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD,
+- swapper_pg_dir + USER_PTRS_PER_PGD,
+- KERNEL_PGD_PTRS);
++ if (PTRS_PER_PMD == 1 || HAVE_SHARED_KERNEL_PMD)
++ clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD,
++ swapper_pg_dir + USER_PTRS_PER_PGD,
++ KERNEL_PGD_PTRS);
+ if (PTRS_PER_PMD > 1)
+ return;
+
+@@ -249,6 +250,30 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
+ goto out_oom;
+ set_pgd(&pgd[i], __pgd(1 + __pa(pmd)));
+ }
++
++ if (!HAVE_SHARED_KERNEL_PMD) {
++ unsigned long flags;
++
++ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
++ pmd_t *pmd = kmem_cache_alloc(pmd_cache, GFP_KERNEL);
++ if (!pmd)
++ goto out_oom;
++ set_pgd(&pgd[USER_PTRS_PER_PGD], __pgd(1 + __pa(pmd)));
++ }
++
++ spin_lock_irqsave(&pgd_lock, flags);
++ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
++ unsigned long v = (unsigned long)i << PGDIR_SHIFT;
++ pgd_t *kpgd = pgd_offset_k(v);
++ pud_t *kpud = pud_offset(kpgd, v);
++ pmd_t *kpmd = pmd_offset(kpud, v);
++ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
++ memcpy(pmd, kpmd, PAGE_SIZE);
++ }
++ pgd_list_add(pgd);
++ spin_unlock_irqrestore(&pgd_lock, flags);
++ }
++
+ return pgd;
+
+ out_oom:
+@@ -263,9 +288,23 @@ void pgd_free(pgd_t *pgd)
+ int i;
+
+ /* in the PAE case user pgd entries are overwritten before usage */
+- if (PTRS_PER_PMD > 1)
+- for (i = 0; i < USER_PTRS_PER_PGD; ++i)
+- kmem_cache_free(pmd_cache, (void
*)__va(pgd_val(pgd[i])-1));
++ if (PTRS_PER_PMD > 1) {
++ for (i = 0; i < USER_PTRS_PER_PGD; ++i) {
++ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
++ kmem_cache_free(pmd_cache, pmd);
++ }
++ if (!HAVE_SHARED_KERNEL_PMD) {
++ unsigned long flags;
++ spin_lock_irqsave(&pgd_lock, flags);
++ pgd_list_del(pgd);
++ spin_unlock_irqrestore(&pgd_lock, flags);
++ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
++ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
++ memset(pmd, 0, PTRS_PER_PMD*sizeof(pmd_t));
++ kmem_cache_free(pmd_cache, pmd);
++ }
++ }
++ }
+ /* in the non-PAE case, free_pgtables() clears user pgd entries */
+ kmem_cache_free(pgd_cache, pgd);
+ }
+diff -pruN
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-2level-defs.h
./include/asm-i386/pgtable-2level-defs.h
+--- ../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-2level-defs.h
2006-01-03 03:21:10.000000000 +0000
++++ ./include/asm-i386/pgtable-2level-defs.h 2006-02-02 17:45:14.000000000
+0000
+@@ -1,6 +1,8 @@
+ #ifndef _I386_PGTABLE_2LEVEL_DEFS_H
+ #define _I386_PGTABLE_2LEVEL_DEFS_H
+
++#define HAVE_SHARED_KERNEL_PMD 0
++
+ /*
+ * traditional i386 two-level paging structure:
+ */
+diff -pruN
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-3level-defs.h
./include/asm-i386/pgtable-3level-defs.h
+--- ../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-3level-defs.h
2006-01-03 03:21:10.000000000 +0000
++++ ./include/asm-i386/pgtable-3level-defs.h 2006-02-02 17:45:14.000000000
+0000
+@@ -1,6 +1,8 @@
+ #ifndef _I386_PGTABLE_3LEVEL_DEFS_H
+ #define _I386_PGTABLE_3LEVEL_DEFS_H
+
++#define HAVE_SHARED_KERNEL_PMD 1
++
+ /*
+ * PGDIR_SHIFT determines what a top-level page table entry can map
+ */
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc3/smp-alts.patch
--- /dev/null Wed Feb 15 14:20:32 2006
+++ b/patches/linux-2.6.16-rc3/smp-alts.patch Wed Feb 15 22:06:12 2006
@@ -0,0 +1,591 @@
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/Kconfig ./arch/i386/Kconfig
+--- ../pristine-linux-2.6.16-rc3/arch/i386/Kconfig 2006-02-15
20:38:51.000000000 +0000
++++ ./arch/i386/Kconfig 2006-02-15 20:45:57.000000000 +0000
+@@ -202,6 +202,19 @@ config SMP
+
+ If you don't know what to do here, say N.
+
++config SMP_ALTERNATIVES
++ bool "SMP alternatives support (EXPERIMENTAL)"
++ depends on SMP && EXPERIMENTAL
++ help
++ Try to reduce the overhead of running an SMP kernel on a uniprocessor
++ host slightly by replacing certain key instruction sequences
++ according to whether we currently have more than one CPU available.
++ This should provide a noticeable boost to performance when
++ running SMP kernels on UP machines, and have negligible impact
++ when running on an true SMP host.
++
++ If unsure, say N.
++
+ config NR_CPUS
+ int "Maximum number of CPUs (2-255)"
+ range 2 255
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/kernel/Makefile
./arch/i386/kernel/Makefile
+--- ../pristine-linux-2.6.16-rc3/arch/i386/kernel/Makefile 2006-02-15
20:38:51.000000000 +0000
++++ ./arch/i386/kernel/Makefile 2006-02-15 20:45:57.000000000 +0000
+@@ -37,6 +37,7 @@ obj-$(CONFIG_EFI) += efi.o efi_stub.o
+ obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
+ obj-$(CONFIG_VM86) += vm86.o
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
++obj-$(CONFIG_SMP_ALTERNATIVES) += smpalts.o
+
+ EXTRA_AFLAGS := -traditional
+
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/kernel/smpalts.c
./arch/i386/kernel/smpalts.c
+--- ../pristine-linux-2.6.16-rc3/arch/i386/kernel/smpalts.c 1970-01-01
01:00:00.000000000 +0100
++++ ./arch/i386/kernel/smpalts.c 2006-02-15 20:45:57.000000000 +0000
+@@ -0,0 +1,85 @@
++#include <linux/kernel.h>
++#include <asm/system.h>
++#include <asm/smp_alt.h>
++#include <asm/processor.h>
++#include <asm/string.h>
++
++struct smp_replacement_record {
++ unsigned char targ_size;
++ unsigned char smp1_size;
++ unsigned char smp2_size;
++ unsigned char up_size;
++ unsigned char feature;
++ unsigned char data[0];
++};
++
++struct smp_alternative_record {
++ void *targ_start;
++ struct smp_replacement_record *repl;
++};
++
++extern struct smp_alternative_record __start_smp_alternatives_table,
++ __stop_smp_alternatives_table;
++extern unsigned long __init_begin, __init_end;
++
++void prepare_for_smp(void)
++{
++ struct smp_alternative_record *r;
++ printk(KERN_INFO "Enabling SMP...\n");
++ for (r = &__start_smp_alternatives_table;
++ r != &__stop_smp_alternatives_table;
++ r++) {
++ BUG_ON(r->repl->targ_size < r->repl->smp1_size);
++ BUG_ON(r->repl->targ_size < r->repl->smp2_size);
++ BUG_ON(r->repl->targ_size < r->repl->up_size);
++ if (system_state == SYSTEM_RUNNING &&
++ r->targ_start >= (void *)&__init_begin &&
++ r->targ_start < (void *)&__init_end)
++ continue;
++ if (r->repl->feature != (unsigned char)-1 &&
++ boot_cpu_has(r->repl->feature)) {
++ memcpy(r->targ_start,
++ r->repl->data + r->repl->smp1_size,
++ r->repl->smp2_size);
++ memset(r->targ_start + r->repl->smp2_size,
++ 0x90,
++ r->repl->targ_size - r->repl->smp2_size);
++ } else {
++ memcpy(r->targ_start,
++ r->repl->data,
++ r->repl->smp1_size);
++ memset(r->targ_start + r->repl->smp1_size,
++ 0x90,
++ r->repl->targ_size - r->repl->smp1_size);
++ }
++ }
++ /* Paranoia */
++ asm volatile ("jmp 1f\n1:");
++ mb();
++}
++
++void unprepare_for_smp(void)
++{
++ struct smp_alternative_record *r;
++ printk(KERN_INFO "Disabling SMP...\n");
++ for (r = &__start_smp_alternatives_table;
++ r != &__stop_smp_alternatives_table;
++ r++) {
++ BUG_ON(r->repl->targ_size < r->repl->smp1_size);
++ BUG_ON(r->repl->targ_size < r->repl->smp2_size);
++ BUG_ON(r->repl->targ_size < r->repl->up_size);
++ if (system_state == SYSTEM_RUNNING &&
++ r->targ_start >= (void *)&__init_begin &&
++ r->targ_start < (void *)&__init_end)
++ continue;
++ memcpy(r->targ_start,
++ r->repl->data + r->repl->smp1_size + r->repl->smp2_size,
++ r->repl->up_size);
++ memset(r->targ_start + r->repl->up_size,
++ 0x90,
++ r->repl->targ_size - r->repl->up_size);
++ }
++ /* Paranoia */
++ asm volatile ("jmp 1f\n1:");
++ mb();
++}
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/kernel/smpboot.c
./arch/i386/kernel/smpboot.c
+--- ../pristine-linux-2.6.16-rc3/arch/i386/kernel/smpboot.c 2006-02-15
20:38:51.000000000 +0000
++++ ./arch/i386/kernel/smpboot.c 2006-02-15 20:45:57.000000000 +0000
+@@ -1214,6 +1214,11 @@ static void __init smp_boot_cpus(unsigne
+ if (max_cpus <= cpucount+1)
+ continue;
+
++#ifdef CONFIG_SMP_ALTERNATIVES
++ if (kicked == 1)
++ prepare_for_smp();
++#endif
++
+ if (((cpu = alloc_cpu_id()) <= 0) || do_boot_cpu(apicid, cpu))
+ printk("CPU #%d not responding - cannot use it.\n",
+ apicid);
+@@ -1392,6 +1397,11 @@ int __devinit __cpu_up(unsigned int cpu)
+ return -EIO;
+ }
+
++#ifdef CONFIG_SMP_ALTERNATIVES
++ if (num_online_cpus() == 1)
++ prepare_for_smp();
++#endif
++
+ local_irq_enable();
+ per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
+ /* Unleash the CPU! */
+diff -pruN ../pristine-linux-2.6.16-rc3/arch/i386/kernel/vmlinux.lds.S
./arch/i386/kernel/vmlinux.lds.S
+--- ../pristine-linux-2.6.16-rc3/arch/i386/kernel/vmlinux.lds.S
2006-01-03 03:21:10.000000000 +0000
++++ ./arch/i386/kernel/vmlinux.lds.S 2006-02-15 20:45:57.000000000 +0000
+@@ -34,6 +34,13 @@ SECTIONS
+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
+ __stop___ex_table = .;
+
++ . = ALIGN(16);
++ __start_smp_alternatives_table = .;
++ __smp_alternatives : { *(__smp_alternatives) }
++ __stop_smp_alternatives_table = .;
++
++ __smp_replacements : { *(__smp_replacements) }
++
+ RODATA
+
+ /* writeable */
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/atomic.h
./include/asm-i386/atomic.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/atomic.h 2006-02-15
20:38:57.000000000 +0000
++++ ./include/asm-i386/atomic.h 2006-02-15 20:45:57.000000000 +0000
+@@ -4,18 +4,13 @@
+ #include <linux/config.h>
+ #include <linux/compiler.h>
+ #include <asm/processor.h>
++#include <asm/smp_alt.h>
+
+ /*
+ * Atomic operations that C can't guarantee us. Useful for
+ * resource counting etc..
+ */
+
+-#ifdef CONFIG_SMP
+-#define LOCK "lock ; "
+-#else
+-#define LOCK ""
+-#endif
+-
+ /*
+ * Make sure gcc doesn't try to be clever and move things around
+ * on us. We need to use _exactly_ the address the user gave us,
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/bitops.h
./include/asm-i386/bitops.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/bitops.h 2006-02-15
20:38:57.000000000 +0000
++++ ./include/asm-i386/bitops.h 2006-02-15 20:45:57.000000000 +0000
+@@ -7,6 +7,7 @@
+
+ #include <linux/config.h>
+ #include <linux/compiler.h>
++#include <asm/smp_alt.h>
+
+ /*
+ * These have to be done with inline assembly: that way the bit-setting
+@@ -16,12 +17,6 @@
+ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
+ */
+
+-#ifdef CONFIG_SMP
+-#define LOCK_PREFIX "lock ; "
+-#else
+-#define LOCK_PREFIX ""
+-#endif
+-
+ #define ADDR (*(volatile long *) addr)
+
+ /**
+@@ -41,7 +36,7 @@
+ */
+ static inline void set_bit(int nr, volatile unsigned long * addr)
+ {
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btsl %1,%0"
+ :"+m" (ADDR)
+ :"Ir" (nr));
+@@ -76,7 +71,7 @@ static inline void __set_bit(int nr, vol
+ */
+ static inline void clear_bit(int nr, volatile unsigned long * addr)
+ {
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btrl %1,%0"
+ :"+m" (ADDR)
+ :"Ir" (nr));
+@@ -121,7 +116,7 @@ static inline void __change_bit(int nr,
+ */
+ static inline void change_bit(int nr, volatile unsigned long * addr)
+ {
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btcl %1,%0"
+ :"+m" (ADDR)
+ :"Ir" (nr));
+@@ -140,7 +135,7 @@ static inline int test_and_set_bit(int n
+ {
+ int oldbit;
+
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btsl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit),"+m" (ADDR)
+ :"Ir" (nr) : "memory");
+@@ -180,7 +175,7 @@ static inline int test_and_clear_bit(int
+ {
+ int oldbit;
+
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btrl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit),"+m" (ADDR)
+ :"Ir" (nr) : "memory");
+@@ -231,7 +226,7 @@ static inline int test_and_change_bit(in
+ {
+ int oldbit;
+
+- __asm__ __volatile__( LOCK_PREFIX
++ __asm__ __volatile__( LOCK
+ "btcl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit),"+m" (ADDR)
+ :"Ir" (nr) : "memory");
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/futex.h
./include/asm-i386/futex.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/futex.h 2006-02-15
20:38:57.000000000 +0000
++++ ./include/asm-i386/futex.h 2006-02-15 20:45:57.000000000 +0000
+@@ -28,7 +28,7 @@
+ "1: movl %2, %0\n\
+ movl %0, %3\n" \
+ insn "\n" \
+-"2: " LOCK_PREFIX "cmpxchgl %3, %2\n\
++"2: " LOCK "cmpxchgl %3, %2\n\
+ jnz 1b\n\
+ 3: .section .fixup,\"ax\"\n\
+ 4: mov %5, %1\n\
+@@ -68,7 +68,7 @@ futex_atomic_op_inuser (int encoded_op,
+ #endif
+ switch (op) {
+ case FUTEX_OP_ADD:
+- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret,
++ __futex_atomic_op1(LOCK "xaddl %0, %2", ret,
+ oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_OR:
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/rwsem.h
./include/asm-i386/rwsem.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/rwsem.h 2006-01-03
03:21:10.000000000 +0000
++++ ./include/asm-i386/rwsem.h 2006-02-15 20:45:57.000000000 +0000
+@@ -40,6 +40,7 @@
+
+ #include <linux/list.h>
+ #include <linux/spinlock.h>
++#include <asm/smp_alt.h>
+
+ struct rwsem_waiter;
+
+@@ -99,7 +100,7 @@ static inline void __down_read(struct rw
+ {
+ __asm__ __volatile__(
+ "# beginning down_read\n\t"
+-LOCK_PREFIX " incl (%%eax)\n\t" /* adds 0x00000001, returns the old
value */
++LOCK " incl (%%eax)\n\t" /* adds 0x00000001, returns the old
value */
+ " js 2f\n\t" /* jump if we weren't granted the lock */
+ "1:\n\t"
+ LOCK_SECTION_START("")
+@@ -130,7 +131,7 @@ static inline int __down_read_trylock(st
+ " movl %1,%2\n\t"
+ " addl %3,%2\n\t"
+ " jle 2f\n\t"
+-LOCK_PREFIX " cmpxchgl %2,%0\n\t"
++LOCK " cmpxchgl %2,%0\n\t"
+ " jnz 1b\n\t"
+ "2:\n\t"
+ "# ending __down_read_trylock\n\t"
+@@ -150,7 +151,7 @@ static inline void __down_write(struct r
+ tmp = RWSEM_ACTIVE_WRITE_BIAS;
+ __asm__ __volatile__(
+ "# beginning down_write\n\t"
+-LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns
the old value */
++LOCK " xadd %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns
the old value */
+ " testl %%edx,%%edx\n\t" /* was the count 0 before? */
+ " jnz 2f\n\t" /* jump if we weren't granted the lock */
+ "1:\n\t"
+@@ -188,7 +189,7 @@ static inline void __up_read(struct rw_s
+ __s32 tmp = -RWSEM_ACTIVE_READ_BIAS;
+ __asm__ __volatile__(
+ "# beginning __up_read\n\t"
+-LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old
value */
++LOCK " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old
value */
+ " js 2f\n\t" /* jump if the lock is being waited upon */
+ "1:\n\t"
+ LOCK_SECTION_START("")
+@@ -214,7 +215,7 @@ static inline void __up_write(struct rw_
+ __asm__ __volatile__(
+ "# beginning __up_write\n\t"
+ " movl %2,%%edx\n\t"
+-LOCK_PREFIX " xaddl %%edx,(%%eax)\n\t" /* tries to transition
0xffff0001 -> 0x00000000 */
++LOCK " xaddl %%edx,(%%eax)\n\t" /* tries to transition
0xffff0001 -> 0x00000000 */
+ " jnz 2f\n\t" /* jump if the lock is being waited upon */
+ "1:\n\t"
+ LOCK_SECTION_START("")
+@@ -239,7 +240,7 @@ static inline void __downgrade_write(str
+ {
+ __asm__ __volatile__(
+ "# beginning __downgrade_write\n\t"
+-LOCK_PREFIX " addl %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 ->
0xYYYY0001 */
++LOCK " addl %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 ->
0xYYYY0001 */
+ " js 2f\n\t" /* jump if the lock is being waited upon */
+ "1:\n\t"
+ LOCK_SECTION_START("")
+@@ -263,7 +264,7 @@ LOCK_PREFIX " addl %2,(%%eax)\n\t"
+ static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
+ {
+ __asm__ __volatile__(
+-LOCK_PREFIX "addl %1,%0"
++LOCK "addl %1,%0"
+ : "=m"(sem->count)
+ : "ir"(delta), "m"(sem->count));
+ }
+@@ -276,7 +277,7 @@ static inline int rwsem_atomic_update(in
+ int tmp = delta;
+
+ __asm__ __volatile__(
+-LOCK_PREFIX "xadd %0,(%2)"
++LOCK "xadd %0,(%2)"
+ : "+r"(tmp), "=m"(sem->count)
+ : "r"(sem), "m"(sem->count)
+ : "memory");
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/smp_alt.h
./include/asm-i386/smp_alt.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/smp_alt.h 1970-01-01
01:00:00.000000000 +0100
++++ ./include/asm-i386/smp_alt.h 2006-02-15 20:45:57.000000000 +0000
+@@ -0,0 +1,32 @@
++#ifndef __ASM_SMP_ALT_H__
++#define __ASM_SMP_ALT_H__
++
++#include <linux/config.h>
++
++#ifdef CONFIG_SMP
++#if defined(CONFIG_SMP_ALTERNATIVES) && !defined(MODULE)
++#define LOCK \
++ "6677: nop\n" \
++ ".section __smp_alternatives,\"a\"\n" \
++ ".long 6677b\n" \
++ ".long 6678f\n" \
++ ".previous\n" \
++ ".section __smp_replacements,\"a\"\n" \
++ "6678: .byte 1\n" \
++ ".byte 1\n" \
++ ".byte 0\n" \
++ ".byte 1\n" \
++ ".byte -1\n" \
++ "lock\n" \
++ "nop\n" \
++ ".previous\n"
++void prepare_for_smp(void);
++void unprepare_for_smp(void);
++#else
++#define LOCK "lock ; "
++#endif
++#else
++#define LOCK ""
++#endif
++
++#endif /* __ASM_SMP_ALT_H__ */
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/spinlock.h
./include/asm-i386/spinlock.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/spinlock.h 2006-01-03
03:21:10.000000000 +0000
++++ ./include/asm-i386/spinlock.h 2006-02-15 20:45:57.000000000 +0000
+@@ -6,6 +6,7 @@
+ #include <asm/page.h>
+ #include <linux/config.h>
+ #include <linux/compiler.h>
++#include <asm/smp_alt.h>
+
+ /*
+ * Your basic SMP spinlocks, allowing only a single CPU anywhere
+@@ -23,7 +24,8 @@
+
+ #define __raw_spin_lock_string \
+ "\n1:\t" \
+- "lock ; decb %0\n\t" \
++ LOCK \
++ "decb %0\n\t" \
+ "jns 3f\n" \
+ "2:\t" \
+ "rep;nop\n\t" \
+@@ -34,7 +36,8 @@
+
+ #define __raw_spin_lock_string_flags \
+ "\n1:\t" \
+- "lock ; decb %0\n\t" \
++ LOCK \
++ "decb %0\n\t" \
+ "jns 4f\n\t" \
+ "2:\t" \
+ "testl $0x200, %1\n\t" \
+@@ -65,10 +68,34 @@ static inline void __raw_spin_lock_flags
+ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+ {
+ char oldval;
++#ifdef CONFIG_SMP_ALTERNATIVES
+ __asm__ __volatile__(
+- "xchgb %b0,%1"
++ "1:movb %1,%b0\n"
++ "movb $0,%1\n"
++ "2:"
++ ".section __smp_alternatives,\"a\"\n"
++ ".long 1b\n"
++ ".long 3f\n"
++ ".previous\n"
++ ".section __smp_replacements,\"a\"\n"
++ "3: .byte 2b - 1b\n"
++ ".byte 5f-4f\n"
++ ".byte 0\n"
++ ".byte 6f-5f\n"
++ ".byte -1\n"
++ "4: xchgb %b0,%1\n"
++ "5: movb %1,%b0\n"
++ "movb $0,%1\n"
++ "6:\n"
++ ".previous\n"
+ :"=q" (oldval), "=m" (lock->slock)
+ :"0" (0) : "memory");
++#else
++ __asm__ __volatile__(
++ "xchgb %b0,%1\n"
++ :"=q" (oldval), "=m" (lock->slock)
++ :"0" (0) : "memory");
++#endif
+ return oldval > 0;
+ }
+
+@@ -178,12 +205,12 @@ static inline int __raw_write_trylock(ra
+
+ static inline void __raw_read_unlock(raw_rwlock_t *rw)
+ {
+- asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory");
++ asm volatile(LOCK "incl %0" :"=m" (rw->lock) : : "memory");
+ }
+
+ static inline void __raw_write_unlock(raw_rwlock_t *rw)
+ {
+- asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ", %0"
++ asm volatile(LOCK "addl $" RW_LOCK_BIAS_STR ", %0"
+ : "=m" (rw->lock) : : "memory");
+ }
+
+diff -pruN ../pristine-linux-2.6.16-rc3/include/asm-i386/system.h
./include/asm-i386/system.h
+--- ../pristine-linux-2.6.16-rc3/include/asm-i386/system.h 2006-02-15
20:38:57.000000000 +0000
++++ ./include/asm-i386/system.h 2006-02-15 20:45:57.000000000 +0000
+@@ -5,7 +5,7 @@
+ #include <linux/kernel.h>
+ #include <asm/segment.h>
+ #include <asm/cpufeature.h>
+-#include <linux/bitops.h> /* for LOCK_PREFIX */
++#include <asm/smp_alt.h>
+
+ #ifdef __KERNEL__
+
+@@ -271,19 +271,19 @@ static inline unsigned long __cmpxchg(vo
+ unsigned long prev;
+ switch (size) {
+ case 1:
+- __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
++ __asm__ __volatile__(LOCK "cmpxchgb %b1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 2:
+- __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
++ __asm__ __volatile__(LOCK "cmpxchgw %w1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 4:
+- __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
++ __asm__ __volatile__(LOCK "cmpxchgl %1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+@@ -336,7 +336,7 @@ static inline unsigned long long __cmpxc
+ unsigned long long new)
+ {
+ unsigned long long prev;
+- __asm__ __volatile__(LOCK_PREFIX "cmpxchg8b %3"
++ __asm__ __volatile__(LOCK "cmpxchg8b %3"
+ : "=A"(prev)
+ : "b"((unsigned long)new),
+ "c"((unsigned long)(new >> 32)),
+@@ -503,11 +503,55 @@ struct alt_instr {
+ #endif
+
+ #ifdef CONFIG_SMP
++#if defined(CONFIG_SMP_ALTERNATIVES) && !defined(MODULE)
++#define smp_alt_mb(instr) \
++__asm__ __volatile__("6667:\nnop\nnop\nnop\nnop\nnop\nnop\n6668:\n" \
++ ".section __smp_alternatives,\"a\"\n" \
++ ".long 6667b\n" \
++ ".long 6673f\n" \
++ ".previous\n" \
++ ".section __smp_replacements,\"a\"\n" \
++ "6673:.byte 6668b-6667b\n" \
++ ".byte 6670f-6669f\n" \
++ ".byte 6671f-6670f\n" \
++ ".byte 0\n" \
++ ".byte %c0\n" \
++ "6669:lock;addl $0,0(%%esp)\n" \
++ "6670:" instr "\n" \
++ "6671:\n" \
++ ".previous\n" \
++ : \
++ : "i" (X86_FEATURE_XMM2) \
++ : "memory")
++#define smp_rmb() smp_alt_mb("lfence")
++#define smp_mb() smp_alt_mb("mfence")
++#define set_mb(var, value) do { \
++unsigned long __set_mb_temp; \
++__asm__ __volatile__("6667:movl %1, %0\n6668:\n" \
++ ".section __smp_alternatives,\"a\"\n" \
++ ".long 6667b\n" \
++ ".long 6673f\n" \
++ ".previous\n" \
++ ".section __smp_replacements,\"a\"\n" \
++ "6673: .byte 6668b-6667b\n" \
++ ".byte 6670f-6669f\n" \
++ ".byte 0\n" \
++ ".byte 6671f-6670f\n" \
++ ".byte -1\n" \
++ "6669: xchg %1, %0\n" \
++ "6670:movl %1, %0\n" \
++ "6671:\n" \
++ ".previous\n" \
++ : "=m" (var), "=r" (__set_mb_temp) \
++ : "1" (value) \
++ : "memory"); } while (0)
++#else
+ #define smp_mb() mb()
+ #define smp_rmb() rmb()
++#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
++#endif
+ #define smp_wmb() wmb()
+ #define smp_read_barrier_depends() read_barrier_depends()
+-#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
+ #else
+ #define smp_mb() barrier()
+ #define smp_rmb() barrier()
diff -r 1346a69694be -r 1ca3d63e7008
patches/linux-2.6.16-rc2/i386-mach-io-check-nmi.patch
--- a/patches/linux-2.6.16-rc2/i386-mach-io-check-nmi.patch Wed Feb 15
14:20:32 2006
+++ /dev/null Wed Feb 15 22:06:12 2006
@@ -1,45 +0,0 @@
-diff -pruN ../pristine-linux-2.6.16-rc1-git4/arch/i386/kernel/traps.c
./arch/i386/kernel/traps.c
---- ../pristine-linux-2.6.16-rc1-git4/arch/i386/kernel/traps.c 2006-02-02
17:39:29.000000000 +0000
-+++ ./arch/i386/kernel/traps.c 2006-02-02 17:43:01.000000000 +0000
-@@ -564,18 +564,11 @@ static void mem_parity_error(unsigned ch
-
- static void io_check_error(unsigned char reason, struct pt_regs * regs)
- {
-- unsigned long i;
--
- printk(KERN_EMERG "NMI: IOCK error (debug interrupt?)\n");
- show_registers(regs);
-
- /* Re-enable the IOCK line, wait for a few seconds */
-- reason = (reason & 0xf) | 8;
-- outb(reason, 0x61);
-- i = 2000;
-- while (--i) udelay(1000);
-- reason &= ~8;
-- outb(reason, 0x61);
-+ clear_io_check_error(reason);
- }
-
- static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
-diff -pruN
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/mach-default/mach_traps.h
./include/asm-i386/mach-default/mach_traps.h
----
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/mach-default/mach_traps.h
2006-01-03 03:21:10.000000000 +0000
-+++ ./include/asm-i386/mach-default/mach_traps.h 2006-02-02
17:41:55.000000000 +0000
-@@ -15,6 +15,18 @@ static inline void clear_mem_error(unsig
- outb(reason, 0x61);
- }
-
-+static inline void clear_io_check_error(unsigned char reason)
-+{
-+ unsigned long i;
-+
-+ reason = (reason & 0xf) | 8;
-+ outb(reason, 0x61);
-+ i = 2000;
-+ while (--i) udelay(1000);
-+ reason &= ~8;
-+ outb(reason, 0x61);
-+}
-+
- static inline unsigned char get_nmi_reason(void)
- {
- return inb(0x61);
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc2/net-csum.patch
--- a/patches/linux-2.6.16-rc2/net-csum.patch Wed Feb 15 14:20:32 2006
+++ /dev/null Wed Feb 15 22:06:12 2006
@@ -1,41 +0,0 @@
-diff -pruN
../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_tcp.c
./net/ipv4/netfilter/ip_nat_proto_tcp.c
---- ../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_tcp.c
2006-02-02 17:39:51.000000000 +0000
-+++ ./net/ipv4/netfilter/ip_nat_proto_tcp.c 2006-02-02 17:44:18.000000000
+0000
-@@ -129,10 +129,14 @@ tcp_manip_pkt(struct sk_buff **pskb,
- if (hdrsize < sizeof(*hdr))
- return 1;
-
-- hdr->check = ip_nat_cheat_check(~oldip, newip,
-+ if ((*pskb)->proto_csum_blank) {
-+ hdr->check = ip_nat_cheat_check(oldip, ~newip, hdr->check);
-+ } else {
-+ hdr->check = ip_nat_cheat_check(~oldip, newip,
- ip_nat_cheat_check(oldport ^ 0xFFFF,
- newport,
- hdr->check));
-+ }
- return 1;
- }
-
-diff -pruN
../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_udp.c
./net/ipv4/netfilter/ip_nat_proto_udp.c
---- ../pristine-linux-2.6.16-rc1-git4/net/ipv4/netfilter/ip_nat_proto_udp.c
2006-02-02 17:39:51.000000000 +0000
-+++ ./net/ipv4/netfilter/ip_nat_proto_udp.c 2006-02-02 17:44:18.000000000
+0000
-@@ -113,11 +113,16 @@ udp_manip_pkt(struct sk_buff **pskb,
- newport = tuple->dst.u.udp.port;
- portptr = &hdr->dest;
- }
-- if (hdr->check) /* 0 is a special case meaning no checksum */
-- hdr->check = ip_nat_cheat_check(~oldip, newip,
-+ if (hdr->check) { /* 0 is a special case meaning no checksum */
-+ if ((*pskb)->proto_csum_blank) {
-+ hdr->check = ip_nat_cheat_check(oldip, ~newip,
hdr->check);
-+ } else {
-+ hdr->check = ip_nat_cheat_check(~oldip, newip,
- ip_nat_cheat_check(*portptr ^ 0xFFFF,
- newport,
- hdr->check));
-+ }
-+ }
- *portptr = newport;
- return 1;
- }
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc2/pmd-shared.patch
--- a/patches/linux-2.6.16-rc2/pmd-shared.patch Wed Feb 15 14:20:32 2006
+++ /dev/null Wed Feb 15 22:06:12 2006
@@ -1,111 +0,0 @@
-diff -pruN ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pageattr.c
./arch/i386/mm/pageattr.c
---- ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pageattr.c 2006-02-02
17:39:29.000000000 +0000
-+++ ./arch/i386/mm/pageattr.c 2006-02-02 17:45:14.000000000 +0000
-@@ -78,7 +78,7 @@ static void set_pmd_pte(pte_t *kpte, uns
- unsigned long flags;
-
- set_pte_atomic(kpte, pte); /* change init_mm */
-- if (PTRS_PER_PMD > 1)
-+ if (HAVE_SHARED_KERNEL_PMD)
- return;
-
- spin_lock_irqsave(&pgd_lock, flags);
-diff -pruN ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pgtable.c
./arch/i386/mm/pgtable.c
---- ../pristine-linux-2.6.16-rc1-git4/arch/i386/mm/pgtable.c 2006-01-03
03:21:10.000000000 +0000
-+++ ./arch/i386/mm/pgtable.c 2006-02-02 17:45:14.000000000 +0000
-@@ -215,9 +215,10 @@ void pgd_ctor(void *pgd, kmem_cache_t *c
- spin_lock_irqsave(&pgd_lock, flags);
- }
-
-- clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD,
-- swapper_pg_dir + USER_PTRS_PER_PGD,
-- KERNEL_PGD_PTRS);
-+ if (PTRS_PER_PMD == 1 || HAVE_SHARED_KERNEL_PMD)
-+ clone_pgd_range((pgd_t *)pgd + USER_PTRS_PER_PGD,
-+ swapper_pg_dir + USER_PTRS_PER_PGD,
-+ KERNEL_PGD_PTRS);
- if (PTRS_PER_PMD > 1)
- return;
-
-@@ -249,6 +250,30 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
- goto out_oom;
- set_pgd(&pgd[i], __pgd(1 + __pa(pmd)));
- }
-+
-+ if (!HAVE_SHARED_KERNEL_PMD) {
-+ unsigned long flags;
-+
-+ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
-+ pmd_t *pmd = kmem_cache_alloc(pmd_cache, GFP_KERNEL);
-+ if (!pmd)
-+ goto out_oom;
-+ set_pgd(&pgd[USER_PTRS_PER_PGD], __pgd(1 + __pa(pmd)));
-+ }
-+
-+ spin_lock_irqsave(&pgd_lock, flags);
-+ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
-+ unsigned long v = (unsigned long)i << PGDIR_SHIFT;
-+ pgd_t *kpgd = pgd_offset_k(v);
-+ pud_t *kpud = pud_offset(kpgd, v);
-+ pmd_t *kpmd = pmd_offset(kpud, v);
-+ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
-+ memcpy(pmd, kpmd, PAGE_SIZE);
-+ }
-+ pgd_list_add(pgd);
-+ spin_unlock_irqrestore(&pgd_lock, flags);
-+ }
-+
- return pgd;
-
- out_oom:
-@@ -263,9 +288,23 @@ void pgd_free(pgd_t *pgd)
- int i;
-
- /* in the PAE case user pgd entries are overwritten before usage */
-- if (PTRS_PER_PMD > 1)
-- for (i = 0; i < USER_PTRS_PER_PGD; ++i)
-- kmem_cache_free(pmd_cache, (void
*)__va(pgd_val(pgd[i])-1));
-+ if (PTRS_PER_PMD > 1) {
-+ for (i = 0; i < USER_PTRS_PER_PGD; ++i) {
-+ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
-+ kmem_cache_free(pmd_cache, pmd);
-+ }
-+ if (!HAVE_SHARED_KERNEL_PMD) {
-+ unsigned long flags;
-+ spin_lock_irqsave(&pgd_lock, flags);
-+ pgd_list_del(pgd);
-+ spin_unlock_irqrestore(&pgd_lock, flags);
-+ for (i = USER_PTRS_PER_PGD; i < PTRS_PER_PGD; i++) {
-+ pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
-+ memset(pmd, 0, PTRS_PER_PMD*sizeof(pmd_t));
-+ kmem_cache_free(pmd_cache, pmd);
-+ }
-+ }
-+ }
- /* in the non-PAE case, free_pgtables() clears user pgd entries */
- kmem_cache_free(pgd_cache, pgd);
- }
-diff -pruN
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-2level-defs.h
./include/asm-i386/pgtable-2level-defs.h
---- ../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-2level-defs.h
2006-01-03 03:21:10.000000000 +0000
-+++ ./include/asm-i386/pgtable-2level-defs.h 2006-02-02 17:45:14.000000000
+0000
-@@ -1,6 +1,8 @@
- #ifndef _I386_PGTABLE_2LEVEL_DEFS_H
- #define _I386_PGTABLE_2LEVEL_DEFS_H
-
-+#define HAVE_SHARED_KERNEL_PMD 0
-+
- /*
- * traditional i386 two-level paging structure:
- */
-diff -pruN
../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-3level-defs.h
./include/asm-i386/pgtable-3level-defs.h
---- ../pristine-linux-2.6.16-rc1-git4/include/asm-i386/pgtable-3level-defs.h
2006-01-03 03:21:10.000000000 +0000
-+++ ./include/asm-i386/pgtable-3level-defs.h 2006-02-02 17:45:14.000000000
+0000
-@@ -1,6 +1,8 @@
- #ifndef _I386_PGTABLE_3LEVEL_DEFS_H
- #define _I386_PGTABLE_3LEVEL_DEFS_H
-
-+#define HAVE_SHARED_KERNEL_PMD 1
-+
- /*
- * PGDIR_SHIFT determines what a top-level page table entry can map
- */
diff -r 1346a69694be -r 1ca3d63e7008 patches/linux-2.6.16-rc2/smp-alts.patch
--- a/patches/linux-2.6.16-rc2/smp-alts.patch Wed Feb 15 14:20:32 2006
+++ /dev/null Wed Feb 15 22:06:12 2006
@@ -1,593 +0,0 @@
-diff -pruN ../pristine-linux-2.6.16-rc2/arch/i386/Kconfig ./arch/i386/Kconfig
---- ../pristine-linux-2.6.16-rc2/arch/i386/Kconfig 2006-02-03
16:11:47.000000000 +0000
-+++ ./arch/i386/Kconfig 2006-02-03 18:20:37.000000000 +0000
-@@ -202,6 +202,19 @@ config SMP
-
- If you don't know what to do here, say N.
-
-+config SMP_ALTERNATIVES
-+ bool "SMP alternatives support (EXPERIMENTAL)"
-+ depends on SMP && EXPERIMENTAL
-+ help
-+ Try to reduce the overhead of running an SMP kernel on a uniprocessor
-+ host slightly by replacing certain key instruction sequences
-+ according to whether we currently have more than one CPU available.
-+ This should provide a noticeable boost to performance when
-+ running SMP kernels on UP machines, and have negligible impact
-+ when running on an true SMP host.
-+
-+ If unsure, say N.
-+
- config NR_CPUS
- int "Maximum number of CPUs (2-255)"
- range 2 255
-diff -pruN ../pristine-linux-2.6.16-rc2/arch/i386/kernel/Makefile
./arch/i386/kernel/Makefile
---- ../pristine-linux-2.6.16-rc2/arch/i386/kernel/Makefile 2006-02-03
16:11:47.000000000 +0000
-+++ ./arch/i386/kernel/Makefile 2006-02-03 18:20:37.000000000 +0000
-@@ -37,6 +37,7 @@ obj-$(CONFIG_EFI) += efi.o efi_stub.o
- obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
- obj-$(CONFIG_VM86) += vm86.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-+obj-$(CONFIG_SMP_ALTERNATIVES) += smpalts.o
-
- EXTRA_AFLAGS := -traditional
-
-diff -pruN ../pristine-linux-2.6.16-rc2/arch/i386/kernel/smpalts.c
./arch/i386/kernel/smpalts.c
---- ../pristine-linux-2.6.16-rc2/arch/i386/kernel/smpalts.c 1970-01-01
01:00:00.000000000 +0100
-+++ ./arch/i386/kernel/smpalts.c 2006-02-03 18:20:37.000000000 +0000
-@@ -0,0 +1,85 @@
-+#include <linux/kernel.h>
-+#include <asm/system.h>
-+#include <asm/smp_alt.h>
-+#include <asm/processor.h>
-+#include <asm/string.h>
-+
-+struct smp_replacement_record {
-+ unsigned char targ_size;
-+ unsigned char smp1_size;
-+ unsigned char smp2_size;
-+ unsigned char up_size;
-+ unsigned char feature;
-+ unsigned char data[0];
-+};
-+
-+struct smp_alternative_record {
-+ void *targ_start;
-+ struct smp_replacement_record *repl;
-+};
-+
-+extern struct smp_alternative_record __start_smp_alternatives_table,
-+ __stop_smp_alternatives_table;
-+extern unsigned long __init_begin, __init_end;
-+
-+void prepare_for_smp(void)
-+{
-+ struct smp_alternative_record *r;
-+ printk(KERN_INFO "Enabling SMP...\n");
-+ for (r = &__start_smp_alternatives_table;
-+ r != &__stop_smp_alternatives_table;
-+ r++) {
-+ BUG_ON(r->repl->targ_size < r->repl->smp1_size);
-+ BUG_ON(r->repl->targ_size < r->repl->smp2_size);
-+ BUG_ON(r->repl->targ_size < r->repl->up_size);
-+ if (system_state == SYSTEM_RUNNING &&
-+ r->targ_start >= (void *)&__init_begin &&
-+ r->targ_start < (void *)&__init_end)
-+ continue;
-+ if (r->repl->feature != (unsigned char)-1 &&
-+ boot_cpu_has(r->repl->feature)) {
-+ memcpy(r->targ_start,
-+ r->repl->data + r->repl->smp1_size,
-+ r->repl->smp2_size);
-+ memset(r->targ_start + r->repl->smp2_size,
-+ 0x90,
-+ r->repl->targ_size - r->repl->smp2_size);
-+ } else {
-+ memcpy(r->targ_start,
-+ r->repl->data,
-+ r->repl->smp1_size);
-+ memset(r->targ_start + r->repl->smp1_size,
-+ 0x90,
-+ r->repl->targ_size - r->repl->smp1_size);
-+ }
-+ }
-+ /* Paranoia */
-+ asm volatile ("jmp 1f\n1:");
-+ mb();
-+}
-+
-+void unprepare_for_smp(void)
-+{
-+ struct smp_alternative_record *r;
-+ printk(KERN_INFO "Disabling SMP...\n");
-+ for (r = &__start_smp_alternatives_table;
-+ r != &__stop_smp_alternatives_table;
-+ r++) {
-+ BUG_ON(r->repl->targ_size < r->repl->smp1_size);
-+ BUG_ON(r->repl->targ_size < r->repl->smp2_size);
-+ BUG_ON(r->repl->targ_size < r->repl->up_size);
-+ if (system_state == SYSTEM_RUNNING &&
-+ r->targ_start >= (void *)&__init_begin &&
-+ r->targ_start < (void *)&__init_end)
-+ continue;
-+ memcpy(r->targ_start,
-+ r->repl->data + r->repl->smp1_size + r->repl->smp2_size,
-+ r->repl->up_size);
-+ memset(r->targ_start + r->repl->up_size,
-+ 0x90,
-+ r->repl->targ_size - r->repl->up_size);
-+ }
-+ /* Paranoia */
-+ asm volatile ("jmp 1f\n1:");
-+ mb();
-+}
-diff -pruN ../pristine-linux-2.6.16-rc2/arch/i386/kernel/smpboot.c
./arch/i386/kernel/smpboot.c
---- ../pristine-linux-2.6.16-rc2/arch/i386/kernel/smpboot.c 2006-02-03
16:11:47.000000000 +0000
-+++ ./arch/i386/kernel/smpboot.c 2006-02-03 18:20:37.000000000 +0000
-@@ -1218,6 +1218,11 @@ static void __init smp_boot_cpus(unsigne
- if (max_cpus <= cpucount+1)
- continue;
-
-+#ifdef CONFIG_SMP_ALTERNATIVES
-+ if (kicked == 1)
-+ prepare_for_smp();
-+#endif
-+
- if (((cpu = alloc_cpu_id()) <= 0) || do_boot_cpu(apicid, cpu))
- printk("CPU #%d not responding - cannot use it.\n",
- apicid);
-@@ -1396,6 +1401,11 @@ int __devinit __cpu_up(unsigned int cpu)
- return -EIO;
- }
-
-+#ifdef CONFIG_SMP_ALTERNATIVES
-+ if (num_online_cpus() == 1)
-+ prepare_for_smp();
-+#endif
-+
- local_irq_enable();
- per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
- /* Unleash the CPU! */
-diff -pruN ../pristine-linux-2.6.16-rc2/arch/i386/kernel/vmlinux.lds.S
./arch/i386/kernel/vmlinux.lds.S
---- ../pristine-linux-2.6.16-rc2/arch/i386/kernel/vmlinux.lds.S
2006-01-03 03:21:10.000000000 +0000
-+++ ./arch/i386/kernel/vmlinux.lds.S 2006-02-03 18:20:37.000000000 +0000
-@@ -34,6 +34,13 @@ SECTIONS
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
- __stop___ex_table = .;
-
-+ . = ALIGN(16);
-+ __start_smp_alternatives_table = .;
-+ __smp_alternatives : { *(__smp_alternatives) }
-+ __stop_smp_alternatives_table = .;
-+
-+ __smp_replacements : { *(__smp_replacements) }
-+
- RODATA
-
- /* writeable */
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/atomic.h
./include/asm-i386/atomic.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/atomic.h 2006-02-03
16:11:50.000000000 +0000
-+++ ./include/asm-i386/atomic.h 2006-02-03 18:20:37.000000000 +0000
-@@ -4,18 +4,13 @@
- #include <linux/config.h>
- #include <linux/compiler.h>
- #include <asm/processor.h>
-+#include <asm/smp_alt.h>
-
- /*
- * Atomic operations that C can't guarantee us. Useful for
- * resource counting etc..
- */
-
--#ifdef CONFIG_SMP
--#define LOCK "lock ; "
--#else
--#define LOCK ""
--#endif
--
- /*
- * Make sure gcc doesn't try to be clever and move things around
- * on us. We need to use _exactly_ the address the user gave us,
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/bitops.h
./include/asm-i386/bitops.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/bitops.h 2006-02-03
16:11:50.000000000 +0000
-+++ ./include/asm-i386/bitops.h 2006-02-03 18:20:37.000000000 +0000
-@@ -7,6 +7,7 @@
-
- #include <linux/config.h>
- #include <linux/compiler.h>
-+#include <asm/smp_alt.h>
-
- /*
- * These have to be done with inline assembly: that way the bit-setting
-@@ -16,12 +17,6 @@
- * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
- */
-
--#ifdef CONFIG_SMP
--#define LOCK_PREFIX "lock ; "
--#else
--#define LOCK_PREFIX ""
--#endif
--
- #define ADDR (*(volatile long *) addr)
-
- /**
-@@ -41,7 +36,7 @@
- */
- static inline void set_bit(int nr, volatile unsigned long * addr)
- {
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btsl %1,%0"
- :"+m" (ADDR)
- :"Ir" (nr));
-@@ -76,7 +71,7 @@ static inline void __set_bit(int nr, vol
- */
- static inline void clear_bit(int nr, volatile unsigned long * addr)
- {
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btrl %1,%0"
- :"+m" (ADDR)
- :"Ir" (nr));
-@@ -121,7 +116,7 @@ static inline void __change_bit(int nr,
- */
- static inline void change_bit(int nr, volatile unsigned long * addr)
- {
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btcl %1,%0"
- :"+m" (ADDR)
- :"Ir" (nr));
-@@ -140,7 +135,7 @@ static inline int test_and_set_bit(int n
- {
- int oldbit;
-
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btsl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"+m" (ADDR)
- :"Ir" (nr) : "memory");
-@@ -180,7 +175,7 @@ static inline int test_and_clear_bit(int
- {
- int oldbit;
-
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btrl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"+m" (ADDR)
- :"Ir" (nr) : "memory");
-@@ -231,7 +226,7 @@ static inline int test_and_change_bit(in
- {
- int oldbit;
-
-- __asm__ __volatile__( LOCK_PREFIX
-+ __asm__ __volatile__( LOCK
- "btcl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"+m" (ADDR)
- :"Ir" (nr) : "memory");
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/futex.h
./include/asm-i386/futex.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/futex.h 2006-02-03
16:11:50.000000000 +0000
-+++ ./include/asm-i386/futex.h 2006-02-03 18:20:37.000000000 +0000
-@@ -28,7 +28,7 @@
- "1: movl %2, %0\n\
- movl %0, %3\n" \
- insn "\n" \
--"2: " LOCK_PREFIX "cmpxchgl %3, %2\n\
-+"2: " LOCK "cmpxchgl %3, %2\n\
- jnz 1b\n\
- 3: .section .fixup,\"ax\"\n\
- 4: mov %5, %1\n\
-@@ -68,7 +68,7 @@ futex_atomic_op_inuser (int encoded_op,
- #endif
- switch (op) {
- case FUTEX_OP_ADD:
-- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret,
-+ __futex_atomic_op1(LOCK "xaddl %0, %2", ret,
- oldval, uaddr, oparg);
- break;
- case FUTEX_OP_OR:
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/rwsem.h
./include/asm-i386/rwsem.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/rwsem.h 2006-01-03
03:21:10.000000000 +0000
-+++ ./include/asm-i386/rwsem.h 2006-02-03 18:20:37.000000000 +0000
-@@ -40,6 +40,7 @@
-
- #include <linux/list.h>
- #include <linux/spinlock.h>
-+#include <asm/smp_alt.h>
-
- struct rwsem_waiter;
-
-@@ -99,7 +100,7 @@ static inline void __down_read(struct rw
- {
- __asm__ __volatile__(
- "# beginning down_read\n\t"
--LOCK_PREFIX " incl (%%eax)\n\t" /* adds 0x00000001, returns the old
value */
-+LOCK " incl (%%eax)\n\t" /* adds 0x00000001, returns the old
value */
- " js 2f\n\t" /* jump if we weren't granted the lock */
- "1:\n\t"
- LOCK_SECTION_START("")
-@@ -130,7 +131,7 @@ static inline int __down_read_trylock(st
- " movl %1,%2\n\t"
- " addl %3,%2\n\t"
- " jle 2f\n\t"
--LOCK_PREFIX " cmpxchgl %2,%0\n\t"
-+LOCK " cmpxchgl %2,%0\n\t"
- " jnz 1b\n\t"
- "2:\n\t"
- "# ending __down_read_trylock\n\t"
-@@ -150,7 +151,7 @@ static inline void __down_write(struct r
- tmp = RWSEM_ACTIVE_WRITE_BIAS;
- __asm__ __volatile__(
- "# beginning down_write\n\t"
--LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns
the old value */
-+LOCK " xadd %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns
the old value */
- " testl %%edx,%%edx\n\t" /* was the count 0 before? */
- " jnz 2f\n\t" /* jump if we weren't granted the lock */
- "1:\n\t"
-@@ -188,7 +189,7 @@ static inline void __up_read(struct rw_s
- __s32 tmp = -RWSEM_ACTIVE_READ_BIAS;
- __asm__ __volatile__(
- "# beginning __up_read\n\t"
--LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old
value */
-+LOCK " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old
value */
- " js 2f\n\t" /* jump if the lock is being waited upon */
- "1:\n\t"
- LOCK_SECTION_START("")
-@@ -214,7 +215,7 @@ static inline void __up_write(struct rw_
- __asm__ __volatile__(
- "# beginning __up_write\n\t"
- " movl %2,%%edx\n\t"
--LOCK_PREFIX " xaddl %%edx,(%%eax)\n\t" /* tries to transition
0xffff0001 -> 0x00000000 */
-+LOCK " xaddl %%edx,(%%eax)\n\t" /* tries to transition
0xffff0001 -> 0x00000000 */
- " jnz 2f\n\t" /* jump if the lock is being waited upon */
- "1:\n\t"
- LOCK_SECTION_START("")
-@@ -239,7 +240,7 @@ static inline void __downgrade_write(str
- {
- __asm__ __volatile__(
- "# beginning __downgrade_write\n\t"
--LOCK_PREFIX " addl %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 ->
0xYYYY0001 */
-+LOCK " addl %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 ->
0xYYYY0001 */
- " js 2f\n\t" /* jump if the lock is being waited upon */
- "1:\n\t"
- LOCK_SECTION_START("")
-@@ -263,7 +264,7 @@ LOCK_PREFIX " addl %2,(%%eax)\n\t"
- static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
- {
- __asm__ __volatile__(
--LOCK_PREFIX "addl %1,%0"
-+LOCK "addl %1,%0"
- : "=m"(sem->count)
- : "ir"(delta), "m"(sem->count));
- }
-@@ -276,7 +277,7 @@ static inline int rwsem_atomic_update(in
- int tmp = delta;
-
- __asm__ __volatile__(
--LOCK_PREFIX "xadd %0,(%2)"
-+LOCK "xadd %0,(%2)"
- : "+r"(tmp), "=m"(sem->count)
- : "r"(sem), "m"(sem->count)
- : "memory");
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/smp_alt.h
./include/asm-i386/smp_alt.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/smp_alt.h 1970-01-01
01:00:00.000000000 +0100
-+++ ./include/asm-i386/smp_alt.h 2006-02-03 18:20:37.000000000 +0000
-@@ -0,0 +1,32 @@
-+#ifndef __ASM_SMP_ALT_H__
-+#define __ASM_SMP_ALT_H__
-+
-+#include <linux/config.h>
-+
-+#ifdef CONFIG_SMP
-+#if defined(CONFIG_SMP_ALTERNATIVES) && !defined(MODULE)
-+#define LOCK \
-+ "6677: nop\n" \
-+ ".section __smp_alternatives,\"a\"\n" \
-+ ".long 6677b\n" \
-+ ".long 6678f\n" \
-+ ".previous\n" \
-+ ".section __smp_replacements,\"a\"\n" \
-+ "6678: .byte 1\n" \
-+ ".byte 1\n" \
-+ ".byte 0\n" \
-+ ".byte 1\n" \
-+ ".byte -1\n" \
-+ "lock\n" \
-+ "nop\n" \
-+ ".previous\n"
-+void prepare_for_smp(void);
-+void unprepare_for_smp(void);
-+#else
-+#define LOCK "lock ; "
-+#endif
-+#else
-+#define LOCK ""
-+#endif
-+
-+#endif /* __ASM_SMP_ALT_H__ */
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/spinlock.h
./include/asm-i386/spinlock.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/spinlock.h 2006-01-03
03:21:10.000000000 +0000
-+++ ./include/asm-i386/spinlock.h 2006-02-03 18:20:37.000000000 +0000
-@@ -6,6 +6,7 @@
- #include <asm/page.h>
- #include <linux/config.h>
- #include <linux/compiler.h>
-+#include <asm/smp_alt.h>
-
- /*
- * Your basic SMP spinlocks, allowing only a single CPU anywhere
-@@ -23,7 +24,8 @@
-
- #define __raw_spin_lock_string \
- "\n1:\t" \
-- "lock ; decb %0\n\t" \
-+ LOCK \
-+ "decb %0\n\t" \
- "jns 3f\n" \
- "2:\t" \
- "rep;nop\n\t" \
-@@ -34,7 +36,8 @@
-
- #define __raw_spin_lock_string_flags \
- "\n1:\t" \
-- "lock ; decb %0\n\t" \
-+ LOCK \
-+ "decb %0\n\t" \
- "jns 4f\n\t" \
- "2:\t" \
- "testl $0x200, %1\n\t" \
-@@ -65,10 +68,34 @@ static inline void __raw_spin_lock_flags
- static inline int __raw_spin_trylock(raw_spinlock_t *lock)
- {
- char oldval;
-+#ifdef CONFIG_SMP_ALTERNATIVES
- __asm__ __volatile__(
-- "xchgb %b0,%1"
-+ "1:movb %1,%b0\n"
-+ "movb $0,%1\n"
-+ "2:"
-+ ".section __smp_alternatives,\"a\"\n"
-+ ".long 1b\n"
-+ ".long 3f\n"
-+ ".previous\n"
-+ ".section __smp_replacements,\"a\"\n"
-+ "3: .byte 2b - 1b\n"
-+ ".byte 5f-4f\n"
-+ ".byte 0\n"
-+ ".byte 6f-5f\n"
-+ ".byte -1\n"
-+ "4: xchgb %b0,%1\n"
-+ "5: movb %1,%b0\n"
-+ "movb $0,%1\n"
-+ "6:\n"
-+ ".previous\n"
- :"=q" (oldval), "=m" (lock->slock)
- :"0" (0) : "memory");
-+#else
-+ __asm__ __volatile__(
-+ "xchgb %b0,%1\n"
-+ :"=q" (oldval), "=m" (lock->slock)
-+ :"0" (0) : "memory");
-+#endif
- return oldval > 0;
- }
-
-@@ -178,12 +205,12 @@ static inline int __raw_write_trylock(ra
-
- static inline void __raw_read_unlock(raw_rwlock_t *rw)
- {
-- asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory");
-+ asm volatile(LOCK "incl %0" :"=m" (rw->lock) : : "memory");
- }
-
- static inline void __raw_write_unlock(raw_rwlock_t *rw)
- {
-- asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ", %0"
-+ asm volatile(LOCK "addl $" RW_LOCK_BIAS_STR ", %0"
- : "=m" (rw->lock) : : "memory");
- }
-
-diff -pruN ../pristine-linux-2.6.16-rc2/include/asm-i386/system.h
./include/asm-i386/system.h
---- ../pristine-linux-2.6.16-rc2/include/asm-i386/system.h 2006-02-03
16:11:50.000000000 +0000
-+++ ./include/asm-i386/system.h 2006-02-03 18:20:37.000000000 +0000
-@@ -5,7 +5,7 @@
- #include <linux/kernel.h>
- #include <asm/segment.h>
- #include <asm/cpufeature.h>
--#include <linux/bitops.h> /* for LOCK_PREFIX */
-+#include <asm/smp_alt.h>
-
- #ifdef __KERNEL__
-
-@@ -271,19 +271,19 @@ static inline unsigned long __cmpxchg(vo
- unsigned long prev;
- switch (size) {
- case 1:
-- __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
-+ __asm__ __volatile__(LOCK "cmpxchgb %b1,%2"
- : "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
- return prev;
- case 2:
-- __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
-+ __asm__ __volatile__(LOCK "cmpxchgw %w1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
- return prev;
- case 4:
-- __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
-+ __asm__ __volatile__(LOCK "cmpxchgl %1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
-@@ -336,7 +336,7 @@ static inline unsigned long long __cmpxc
- unsigned long long new)
- {
- unsigned long long prev;
-- __asm__ __volatile__(LOCK_PREFIX "cmpxchg8b %3"
-+ __asm__ __volatile__(LOCK "cmpxchg8b %3"
- : "=A"(prev)
- : "b"((unsigned long)new),
- "c"((unsigned long)(new >> 32)),
-@@ -503,11 +503,55 @@ struct alt_instr {
- #endif
-
- #ifdef CONFIG_SMP
--#define smp_mb() mb()
--#define smp_rmb() rmb()
- #define smp_wmb() wmb()
--#define smp_read_barrier_depends() read_barrier_depends()
-+#if defined(CONFIG_SMP_ALTERNATIVES) && !defined(MODULE)
-+#define smp_alt_mb(instr) \
-+__asm__ __volatile__("6667:\nnop\nnop\nnop\nnop\nnop\nnop\n6668:\n" \
-+ ".section __smp_alternatives,\"a\"\n" \
-+ ".long 6667b\n" \
-+ ".long 6673f\n" \
-+ ".previous\n" \
-+ ".section __smp_replacements,\"a\"\n" \
-+ "6673:.byte 6668b-6667b\n" \
-+ ".byte 6670f-6669f\n" \
-+ ".byte 6671f-6670f\n" \
-+ ".byte 0\n" \
-+ ".byte %c0\n" \
-+ "6669:lock;addl $0,0(%%esp)\n" \
-+ "6670:" instr "\n" \
-+ "6671:\n" \
-+ ".previous\n" \
-+ : \
-+ : "i" (X86_FEATURE_XMM2) \
-+ : "memory")
-+#define smp_rmb() smp_alt_mb("lfence")
-+#define smp_mb() smp_alt_mb("mfence")
-+#define set_mb(var, value) do { \
-+unsigned long __set_mb_temp; \
-+__asm__ __volatile__("6667:movl %1, %0\n6668:\n" \
-+ ".section __smp_alternatives,\"a\"\n" \
-+ ".long 6667b\n" \
-+ ".long 6673f\n" \
-+ ".previous\n" \
-+ ".section __smp_replacements,\"a\"\n" \
-+ "6673: .byte 6668b-6667b\n" \
-+ ".byte 6670f-6669f\n" \
-+ ".byte 0\n" \
-+ ".byte 6671f-6670f\n" \
-+ ".byte -1\n" \
-+ "6669: xchg %1, %0\n" \
-+ "6670:movl %1, %0\n" \
-+ "6671:\n" \
-+ ".previous\n" \
-+ : "=m" (var), "=r" (__set_mb_temp) \
-+ : "1" (value) \
-+ : "memory"); } while (0)
-+#else
-+#define smp_rmb() rmb()
-+#define smp_mb() mb()
- #define set_mb(var, value) do { xchg(&var, value); } while (0)
-+#endif
-+#define smp_read_barrier_depends() read_barrier_depends()
- #else
- #define smp_mb() barrier()
- #define smp_rmb() barrier()
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