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[Xen-devel] [PATCH] unmodified_drivers: remove ia64 parts of the code



Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---
 .../linux-2.6/compat-include/xen/platform-compat.h |  4 ---
 unmodified_drivers/linux-2.6/mkbuildtree           | 16 +---------
 unmodified_drivers/linux-2.6/overrides.mk          |  3 --
 unmodified_drivers/linux-2.6/platform-pci/Kbuild   |  4 ---
 .../linux-2.6/platform-pci/panic-handler.c         | 14 ---------
 .../linux-2.6/platform-pci/platform-pci.c          | 23 --------------
 .../linux-2.6/platform-pci/xen_support.c           | 36 ----------------------
 7 files changed, 1 insertion(+), 99 deletions(-)

diff --git a/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h 
b/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
index 57afc72..240ca12 100644
--- a/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
+++ b/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
@@ -42,10 +42,6 @@
 #define IS_ERR_VALUE(x) unlikely((x) > (unsigned long)-1000L)
 #endif
 
-#if defined(_ASM_IA64_PGTABLE_H) && !defined(_PGTABLE_NOPUD_H)
-#include <asm-generic/pgtable-nopud.h>
-#endif
-
 /* Some kernels have this typedef backported so we cannot reliably
  * detect based on version number, hence we forcibly #define it.
  */
diff --git a/unmodified_drivers/linux-2.6/mkbuildtree 
b/unmodified_drivers/linux-2.6/mkbuildtree
index 3aca16d..379b39b 100755
--- a/unmodified_drivers/linux-2.6/mkbuildtree
+++ b/unmodified_drivers/linux-2.6/mkbuildtree
@@ -5,7 +5,7 @@ if [ $1 ]; then
 else
     uname=`uname -m`
     echo "Defaulting to this machine's architecture, $uname, for linking."
-    echo "This may be overridden on the command line (i386,x86_64,ia64)."
+    echo "This may be overridden on the command line (i386,x86_64)."
 fi
 
 C=$(cd $(dirname $0) && pwd)
@@ -79,20 +79,6 @@ i[34567]86|x86_64)
         ln -sf ${XL}/include/asm-$uname/mach-xen/asm/gnttab_dma.h include/asm
     fi
   ;;
-"ia64")
-    ln -sf ${XL}/include/asm-ia64/hypervisor.h include/asm
-    ln -sf ${XL}/include/asm-ia64/hypercall.h include/asm
-    ln -sf ${XL}/include/asm-ia64/synch_bitops.h include/asm
-    ln -sf ${XL}/include/asm-ia64/maddr.h include/asm
-    ln -sf ${XL}/include/asm-ia64/gnttab_dma.h include/asm
-    mkdir -p include/asm/xen
-    ln -sf ${XL}/include/asm-ia64/xen/xcom_hcall.h include/asm/xen
-    ln -sf ${XL}/include/asm-ia64/xen/xencomm.h include/asm/xen
-    ln -sf ${XL}/arch/ia64/xen/xcom_hcall.c platform-pci/
-    ln -sf ${XL}/arch/ia64/xen/xcom_asm.S platform-pci/
-    ln -sf ${XL}/arch/ia64/xen/xencomm.c platform-pci/xencomm_arch.c
-    ln -sf ${XL}/drivers/xen/core/xencomm.c platform-pci
-  ;;
 *)
     echo unknown architecture $uname
     exit 1
diff --git a/unmodified_drivers/linux-2.6/overrides.mk 
b/unmodified_drivers/linux-2.6/overrides.mk
index 803eccd..6c278ad 100644
--- a/unmodified_drivers/linux-2.6/overrides.mk
+++ b/unmodified_drivers/linux-2.6/overrides.mk
@@ -7,9 +7,6 @@
 _XEN_CPPFLAGS += -D__XEN_INTERFACE_VERSION__=0x00030205
 _XEN_CPPFLAGS += -DCONFIG_XEN_COMPAT=0xffffff
 _XEN_CPPFLAGS += -I$(M)/include -I$(M)/compat-include 
-DHAVE_XEN_PLATFORM_COMPAT_H
-ifeq ($(ARCH),ia64)
-  _XEN_CPPFLAGS += -DCONFIG_VMX_GUEST
-endif
 
 _XEN_CPPFLAGS += -include $(wildcard $(objtree)/include/*/autoconf.h)
 
diff --git a/unmodified_drivers/linux-2.6/platform-pci/Kbuild 
b/unmodified_drivers/linux-2.6/platform-pci/Kbuild
index 7b332ee..4701aa6 100644
--- a/unmodified_drivers/linux-2.6/platform-pci/Kbuild
+++ b/unmodified_drivers/linux-2.6/platform-pci/Kbuild
@@ -16,7 +16,3 @@ xen-platform-pci-objs += ../xenbus/xenbus_dev.o
 xen-platform-pci-objs += ../xenbus/xenbus_client.o 
 xen-platform-pci-objs += ../xenbus/xen_proc.o
 
-# Can we do better ?
-ifeq ($(ARCH),ia64)
-  xen-platform-pci-objs += xencomm.o xencomm_arch.o xcom_hcall.o xcom_asm.o
-endif
diff --git a/unmodified_drivers/linux-2.6/platform-pci/panic-handler.c 
b/unmodified_drivers/linux-2.6/platform-pci/panic-handler.c
index 7564d0c..2b1895f 100644
--- a/unmodified_drivers/linux-2.6/platform-pci/panic-handler.c
+++ b/unmodified_drivers/linux-2.6/platform-pci/panic-handler.c
@@ -9,24 +9,10 @@
 
 MODULE_LICENSE("GPL");
 
-#ifdef __ia64__
-static void
-xen_panic_hypercall(struct unw_frame_info *info, void *arg)
-{
-       current->thread.ksp = (__u64)info->sw - 16;
-       HYPERVISOR_shutdown(SHUTDOWN_crash);
-       /* we're never actually going to get here... */
-}
-#endif
-
 static int
 xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
-#ifdef __ia64__
-       unw_init_running(xen_panic_hypercall, NULL);
-#else /* !__ia64__ */
        HYPERVISOR_shutdown(SHUTDOWN_crash);
-#endif
        /* we're never actually going to get here... */
        return NOTIFY_DONE;
 }
diff --git a/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c 
b/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
index 163b168..895e19d 100644
--- a/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
+++ b/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
@@ -39,9 +39,6 @@
 #include <xen/interface/hvm/params.h>
 #include <xen/features.h>
 #include <xen/evtchn.h>
-#ifdef __ia64__
-#include <asm/xen/xencomm.h>
-#endif
 
 #include "platform-pci.h"
 
@@ -78,10 +75,6 @@ static int __devinit init_xen_info(void)
        struct xen_add_to_physmap xatp;
        extern void *shared_info_area;
 
-#ifdef __ia64__
-       xencomm_initialize();
-#endif
-
        setup_xen_features();
 
        shared_info_frame = alloc_xen_mmio(PAGE_SIZE) >> PAGE_SHIFT;
@@ -115,8 +108,6 @@ unsigned long alloc_xen_mmio(unsigned long len)
        return addr;
 }
 
-#ifndef __ia64__
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
 static uint32_t xen_cpuid_base(void)
 {
@@ -212,28 +203,14 @@ static void resume_hypercall_stubs(void)
        nr_hypercall_stub_pages = pages;
 }
 
-#else /* __ia64__ */
-
-#define init_hypercall_stubs()         (0)
-#define resume_hypercall_stubs()       ((void)0)
-
-#endif
-
 static uint64_t get_callback_via(struct pci_dev *pdev)
 {
        u8 pin;
        int irq;
 
-#ifdef __ia64__
-       for (irq = 0; irq < 16; irq++) {
-               if (isa_irq_to_vector(irq) == pdev->irq)
-                       return irq; /* ISA IRQ */
-       }
-#else /* !__ia64__ */
        irq = pdev->irq;
        if (irq < 16)
                return irq; /* ISA IRQ */
-#endif
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
        pin = pdev->pin;
diff --git a/unmodified_drivers/linux-2.6/platform-pci/xen_support.c 
b/unmodified_drivers/linux-2.6/platform-pci/xen_support.c
index 510a2b7..c8aadc0 100644
--- a/unmodified_drivers/linux-2.6/platform-pci/xen_support.c
+++ b/unmodified_drivers/linux-2.6/platform-pci/xen_support.c
@@ -30,42 +30,6 @@
 #include <xen/platform-compat.h>
 #endif
 
-#if defined (__ia64__)
-unsigned long __hypercall(unsigned long a1, unsigned long a2,
-                         unsigned long a3, unsigned long a4,
-                         unsigned long a5, unsigned long cmd)
-{
-       unsigned long __res;
-       __asm__ __volatile__ (";;\n"
-               "mov r2=%1\n"
-               "break 0x1000 ;;\n"
-               "mov %0=r8 ;;\n"
-               : "=r"(__res) : "r"(cmd) : "r2", "r8", "memory");
-
-       return __res;
-}
-EXPORT_SYMBOL(__hypercall);
-
-int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
-{
-       return xencomm_hypercall_grant_table_op(cmd, uop, count);
-}
-EXPORT_SYMBOL(HYPERVISOR_grant_table_op);
-
-/* without using balloon driver on PV-on-HVM for ia64 */
-void balloon_update_driver_allowance(long delta)
-{
-       /* nothing */
-}
-EXPORT_SYMBOL_GPL(balloon_update_driver_allowance);
-
-void balloon_release_driver_page(struct page *page)
-{
-       /* nothing */
-}
-EXPORT_SYMBOL_GPL(balloon_release_driver_page);
-#endif /* __ia64__ */
-
 void xen_machphys_update(unsigned long mfn, unsigned long pfn)
 {
        BUG();

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