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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [linux-2.6.18-xen] merge with linux-2.6.18-xen.hg
# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1218077890 -32400
# Node ID 324a5c041301d42b662e20f6175cba6c9b26f262
# Parent 678ad99920c897f247c37d3de14827c547e664c5
# Parent 2866e6af503ea0b33e1c1fb2340ab8ed81925e97
merge with linux-2.6.18-xen.hg
---
arch/i386/Kconfig | 1
arch/i386/kernel/acpi/Makefile | 2
arch/i386/kernel/acpi/processor_extcntl_xen.c | 20 ++------
arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c | 11 ----
arch/i386/kernel/cpu/cpufreq/powernow-k8.c | 10 ----
arch/i386/kernel/setup-xen.c | 7 ++
arch/i386/kernel/setup.c | 7 ++
arch/x86_64/kernel/acpi/Makefile | 5 +-
arch/x86_64/kernel/process-xen.c | 6 --
arch/x86_64/kernel/setup-xen.c | 4 +
arch/x86_64/kernel/setup.c | 4 +
arch/x86_64/mm/init-xen.c | 8 +++
drivers/acpi/Kconfig | 1
drivers/acpi/Makefile | 2
drivers/acpi/processor_core.c | 33 ++-----------
drivers/acpi/processor_extcntl.c | 37 ++-------------
drivers/acpi/processor_idle.c | 29 -----------
drivers/acpi/processor_perflib.c | 30 +++++++-----
drivers/cpufreq/Kconfig | 1
drivers/pci/msi-xen.c | 25 ++++------
drivers/pci/msi.h | 5 --
drivers/xen/blkfront/blkfront.c | 9 +++
drivers/xen/blkfront/block.h | 15 ++++++
drivers/xen/blkfront/vbd.c | 45 ++++++++++++++++++
drivers/xen/core/machine_reboot.c | 9 +--
drivers/xen/core/pci.c | 6 +-
drivers/xen/core/reboot.c | 63 ++++++++++++++++++--------
drivers/xen/netfront/accel.c | 5 +-
drivers/xen/pciback/pci_stub.c | 6 --
drivers/xen/scsiback/emulate.c | 23 +++++++--
include/acpi/processor.h | 35 ++++++++------
include/linux/pci.h | 8 +++
include/xen/interface/xen.h | 1
33 files changed, 256 insertions(+), 217 deletions(-)
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/Kconfig
--- a/arch/i386/Kconfig Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/i386/Kconfig Thu Aug 07 11:58:10 2008 +0900
@@ -107,6 +107,7 @@ config X86_XEN
config X86_XEN
bool "Xen-compatible"
select XEN
+ select X86_PAE
select X86_UP_APIC if !SMP && XEN_PRIVILEGED_GUEST
select X86_UP_IOAPIC if !SMP && XEN_PRIVILEGED_GUEST
select SWIOTLB
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/kernel/acpi/Makefile
--- a/arch/i386/kernel/acpi/Makefile Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/i386/kernel/acpi/Makefile Thu Aug 07 11:58:10 2008 +0900
@@ -4,7 +4,9 @@ obj-$(CONFIG_ACPI_SLEEP) += sleep.o wake
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += cstate.o processor.o
+ifneq ($(CONFIG_PROCESSOR_EXTERNAL_CONTROL),)
obj-$(CONFIG_XEN) += processor_extcntl_xen.o
+endif
endif
disabled-obj-$(CONFIG_XEN) := cstate.o wakeup.o
diff -r 678ad99920c8 -r 324a5c041301
arch/i386/kernel/acpi/processor_extcntl_xen.c
--- a/arch/i386/kernel/acpi/processor_extcntl_xen.c Tue Aug 05 12:19:38
2008 +0900
+++ b/arch/i386/kernel/acpi/processor_extcntl_xen.c Thu Aug 07 11:58:10
2008 +0900
@@ -33,14 +33,6 @@
#include <asm/hypercall.h>
static int xen_processor_pmbits;
-static int __init set_xen_processor_pmbits(char *str)
-{
- get_option(&str, &xen_processor_pmbits);
-
- return 1;
-}
-__setup("xen_processor_pmbits=", set_xen_processor_pmbits);
-EXPORT_SYMBOL(xen_processor_pmbits);
static int xen_cx_notifier(struct acpi_processor *pr, int action)
{
@@ -221,8 +213,10 @@ static struct processor_extcntl_ops xen_
.hotplug = xen_hotplug_notifier,
};
-static int __cpuinit xen_init_processor_extcntl(void)
-{
+void arch_acpi_processor_init_extcntl(const struct processor_extcntl_ops **ops)
+{
+ xen_processor_pmbits = (xen_start_info->flags & SIF_PM_MASK) >> 8;
+
if (xen_processor_pmbits & XEN_PROCESSOR_PM_CX)
xen_extcntl_ops.pm_ops[PM_TYPE_IDLE] = xen_cx_notifier;
if (xen_processor_pmbits & XEN_PROCESSOR_PM_PX)
@@ -230,6 +224,6 @@ static int __cpuinit xen_init_processor_
if (xen_processor_pmbits & XEN_PROCESSOR_PM_TX)
xen_extcntl_ops.pm_ops[PM_TYPE_THR] = xen_tx_notifier;
- return processor_register_extcntl(&xen_extcntl_ops);
-}
-core_initcall(xen_init_processor_extcntl);
+ *ops = &xen_extcntl_ops;
+}
+EXPORT_SYMBOL(arch_acpi_processor_init_extcntl);
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c Tue Aug 05 12:19:38
2008 +0900
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c Thu Aug 07 11:58:10
2008 +0900
@@ -568,17 +568,6 @@ acpi_cpufreq_init (void)
{
dprintk("acpi_cpufreq_init\n");
-#ifdef CONFIG_XEN
- /*
- * This effectively blocks in-kernel cpufreq driver to interfere
- * external control logic
- */
- if (processor_pmperf_external()) {
- printk("CPUFREQ is controllerd externally...exit then!\n");
- return -1;
- }
-#endif /* CONFIG_XEN */
-
acpi_cpufreq_early_init_acpi();
return cpufreq_register_driver(&acpi_cpufreq_driver);
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/kernel/cpu/cpufreq/powernow-k8.c
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c Tue Aug 05 12:19:38
2008 +0900
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c Thu Aug 07 11:58:10
2008 +0900
@@ -1312,16 +1312,6 @@ static int __cpuinit powernowk8_init(voi
{
unsigned int i, supported_cpus = 0;
-#ifdef CONFIG_XEN
- /*
- * This effectively blocks in-kernel cpufreq driver to interfere
- * external control logic
- */
- if (processor_pmperf_external()) {
- return -ENODEV;
- }
-#endif /* CONFIG_XEN */
-
for_each_online_cpu(i) {
if (check_supported_cpu(i))
supported_cpus++;
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/kernel/setup-xen.c
--- a/arch/i386/kernel/setup-xen.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/i386/kernel/setup-xen.c Thu Aug 07 11:58:10 2008 +0900
@@ -283,7 +283,12 @@ static struct resource standard_io_resou
}, {
.name = "keyboard",
.start = 0x0060,
- .end = 0x006f,
+ .end = 0x0060,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO
+}, {
+ .name = "keyboard",
+ .start = 0x0064,
+ .end = 0x0064,
.flags = IORESOURCE_BUSY | IORESOURCE_IO
}, {
.name = "dma page reg",
diff -r 678ad99920c8 -r 324a5c041301 arch/i386/kernel/setup.c
--- a/arch/i386/kernel/setup.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/i386/kernel/setup.c Thu Aug 07 11:58:10 2008 +0900
@@ -261,7 +261,12 @@ static struct resource standard_io_resou
}, {
.name = "keyboard",
.start = 0x0060,
- .end = 0x006f,
+ .end = 0x0060,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO
+}, {
+ .name = "keyboard",
+ .start = 0x0064,
+ .end = 0x0064,
.flags = IORESOURCE_BUSY | IORESOURCE_IO
}, {
.name = "dma page reg",
diff -r 678ad99920c8 -r 324a5c041301 arch/x86_64/kernel/acpi/Makefile
--- a/arch/x86_64/kernel/acpi/Makefile Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/x86_64/kernel/acpi/Makefile Thu Aug 07 11:58:10 2008 +0900
@@ -6,8 +6,9 @@ obj-y += processor.o
obj-y += processor.o
processor-y := ../../../i386/kernel/acpi/processor.o
../../../i386/kernel/acpi/cstate.o
processor-$(CONFIG_XEN) := ../../../i386/kernel/acpi/processor.o
+ifneq ($(CONFIG_PROCESSOR_EXTERNAL_CONTROL),)
+processor-$(CONFIG_XEN) +=
../../../i386/kernel/acpi/processor_extcntl_xen.o
+endif
endif
-obj-$(CONFIG_XEN) += processor_extcnt_xen.o
-processor_extcnt_xen-$(CONFIG_XEN) :=
../../../i386/kernel/acpi/processor_extcntl_xen.o
disabled-obj-$(CONFIG_XEN) := wakeup.o
diff -r 678ad99920c8 -r 324a5c041301 arch/x86_64/kernel/process-xen.c
--- a/arch/x86_64/kernel/process-xen.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/x86_64/kernel/process-xen.c Thu Aug 07 11:58:10 2008 +0900
@@ -846,9 +846,3 @@ unsigned long arch_align_stack(unsigned
sp -= get_random_int() % 8192;
return sp & ~0xf;
}
-
-#ifndef CONFIG_SMP
-void _restore_vcpu(void)
-{
-}
-#endif
diff -r 678ad99920c8 -r 324a5c041301 arch/x86_64/kernel/setup-xen.c
--- a/arch/x86_64/kernel/setup-xen.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/x86_64/kernel/setup-xen.c Thu Aug 07 11:58:10 2008 +0900
@@ -169,7 +169,9 @@ struct resource standard_io_resources[]
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
{ .name = "timer1", .start = 0x50, .end = 0x53,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "keyboard", .start = 0x60, .end = 0x6f,
+ { .name = "keyboard", .start = 0x60, .end = 0x60,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "keyboard", .start = 0x64, .end = 0x64,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
{ .name = "dma page reg", .start = 0x80, .end = 0x8f,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
diff -r 678ad99920c8 -r 324a5c041301 arch/x86_64/kernel/setup.c
--- a/arch/x86_64/kernel/setup.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/x86_64/kernel/setup.c Thu Aug 07 11:58:10 2008 +0900
@@ -122,7 +122,9 @@ struct resource standard_io_resources[]
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
{ .name = "timer1", .start = 0x50, .end = 0x53,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "keyboard", .start = 0x60, .end = 0x6f,
+ { .name = "keyboard", .start = 0x60, .end = 0x60,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "keyboard", .start = 0x64, .end = 0x64,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
{ .name = "dma page reg", .start = 0x80, .end = 0x8f,
.flags = IORESOURCE_BUSY | IORESOURCE_IO },
diff -r 678ad99920c8 -r 324a5c041301 arch/x86_64/mm/init-xen.c
--- a/arch/x86_64/mm/init-xen.c Tue Aug 05 12:19:38 2008 +0900
+++ b/arch/x86_64/mm/init-xen.c Thu Aug 07 11:58:10 2008 +0900
@@ -325,6 +325,14 @@ static __init void set_pte_phys_ma(unsig
new_pte = pfn_pte_ma(phys >> PAGE_SHIFT, prot);
pte = pte_offset_kernel(pmd, vaddr);
+ if (!pte_none(*pte) &&
+#ifdef CONFIG_ACPI
+ /* __acpi_map_table() fails to properly call clear_fixmap() */
+ (vaddr < __fix_to_virt(FIX_ACPI_END) ||
+ vaddr > __fix_to_virt(FIX_ACPI_BEGIN)) &&
+#endif
+ __pte_val(*pte) != (__pte_val(new_pte) & __supported_pte_mask))
+ pte_ERROR(*pte);
set_pte(pte, new_pte);
/*
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/Kconfig
--- a/drivers/acpi/Kconfig Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/Kconfig Thu Aug 07 11:58:10 2008 +0900
@@ -371,7 +371,6 @@ config PROCESSOR_EXTERNAL_CONTROL
config PROCESSOR_EXTERNAL_CONTROL
bool
depends on X86 && XEN
- select ACPI_PROCESSOR
default y
endif # ACPI
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/Makefile
--- a/drivers/acpi/Makefile Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/Makefile Thu Aug 07 11:58:10 2008 +0900
@@ -35,7 +35,7 @@ processor-objs += processor_perflib.o
processor-objs += processor_perflib.o
endif
ifdef CONFIG_PROCESSOR_EXTERNAL_CONTROL
-processor-objs += processor_extcntl.o
+processor-objs += processor_perflib.o processor_extcntl.o
endif
obj-y += sleep/
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/processor_core.c
--- a/drivers/acpi/processor_core.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/processor_core.c Thu Aug 07 11:58:10 2008 +0900
@@ -474,14 +474,9 @@ static int acpi_processor_get_info(struc
* they are physically not present.
*/
if (cpu_index == -1) {
-#ifdef CONFIG_XEN
if (ACPI_FAILURE
(acpi_processor_hotadd_init(pr->handle, &pr->id)) &&
!processor_cntl_external()) {
-#else
- if (ACPI_FAILURE
- (acpi_processor_hotadd_init(pr->handle, &pr->id))) {
-#endif /* CONFIG_XEN */
printk(KERN_ERR PREFIX
"Getting cpuindex for acpiid 0x%x\n",
pr->acpi_id);
@@ -514,20 +509,14 @@ static int acpi_processor_get_info(struc
request_region(pr->throttling.address, 6, "ACPI CPU throttle");
}
-#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr);
-#endif
acpi_processor_get_throttling_info(pr);
acpi_processor_get_limit_info(pr);
return 0;
}
-#ifdef CONFIG_XEN
static void *processor_device_array[NR_ACPI_CPUS];
-#else
-static void *processor_device_array[NR_CPUS];
-#endif /* CONFIG_XEN */
static int acpi_processor_start(struct acpi_device *device)
{
@@ -535,26 +524,19 @@ static int acpi_processor_start(struct a
acpi_status status = AE_OK;
struct acpi_processor *pr;
+ processor_extcntl_init();
pr = acpi_driver_data(device);
result = acpi_processor_get_info(pr);
-#ifdef CONFIG_XEN
if (result ||
((pr->id == -1) && !processor_cntl_external())) {
-#else
- if (result) {
-#endif /* CONFIG_XEN */
/* Processor is physically not present */
return 0;
}
-#ifdef CONFIG_XEN
BUG_ON(!processor_cntl_external() &&
((pr->id >= NR_CPUS) || (pr->id < 0)));
-#else
- BUG_ON((pr->id >= NR_CPUS) || (pr->id < 0));
-#endif /* CONFIG_XEN */
/*
* Buggy BIOS check
@@ -562,6 +544,7 @@ static int acpi_processor_start(struct a
* Don't trust it blindly
*/
#ifdef CONFIG_XEN
+ BUG_ON(pr->acpi_id >= NR_ACPI_CPUS);
if (processor_device_array[pr->acpi_id] != NULL &&
processor_device_array[pr->acpi_id] != (void *)device) {
#else
@@ -595,9 +578,9 @@ static int acpi_processor_start(struct a
acpi_processor_power_init(pr, device);
-#ifdef CONFIG_PROCESSOR_EXTERNAL_CONTROL
- processor_extcntl_init(pr);
-#endif
+ result = processor_extcntl_prepare(pr);
+ if (result)
+ goto end;
if (pr->flags.throttling) {
printk(KERN_INFO PREFIX "%s [%s] (supports",
@@ -751,11 +734,9 @@ int acpi_processor_device_add(acpi_handl
if (!pr)
return -ENODEV;
-#ifdef CONFIG_XEN
if (processor_cntl_external())
processor_notify_external(pr,
PROCESSOR_HOTPLUG, HOTPLUG_TYPE_ADD);
-#endif /* CONFIG_XEN */
if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
kobject_uevent(&(*device)->kobj, KOBJ_ONLINE);
@@ -795,11 +776,9 @@ acpi_processor_hotplug_notify(acpi_handl
break;
}
-#ifdef CONFIG_XEN
if (processor_cntl_external())
processor_notify_external(pr,
PROCESSOR_HOTPLUG, HOTPLUG_TYPE_ADD);
-#endif /* CONFIG_XEN */
if (pr->id >= 0 && (pr->id < NR_CPUS)) {
kobject_uevent(&device->kobj, KOBJ_OFFLINE);
@@ -838,11 +817,9 @@ acpi_processor_hotplug_notify(acpi_handl
#endif /* CONFIG_XEN */
kobject_uevent(&device->kobj, KOBJ_OFFLINE);
-#ifdef CONFIG_XEN
if (processor_cntl_external())
processor_notify_external(pr, PROCESSOR_HOTPLUG,
HOTPLUG_TYPE_REMOVE);
-#endif /* CONFIG_XEN */
break;
default:
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/processor_extcntl.c
--- a/drivers/acpi/processor_extcntl.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/processor_extcntl.c Thu Aug 07 11:58:10 2008 +0900
@@ -36,7 +36,7 @@ static int processor_extcntl_get_perform
* External processor control logic may register with its own set of
* ops to get ACPI related notification. One example is like VMM.
*/
-struct processor_extcntl_ops *processor_extcntl_ops;
+const struct processor_extcntl_ops *processor_extcntl_ops;
EXPORT_SYMBOL(processor_extcntl_ops);
static int processor_notify_smm(void)
@@ -112,30 +112,11 @@ int processor_notify_external(struct acp
* state which is also necessarily controlled by VMM. But for other
* control bits like performance/throttle states, VMM may choose to
* control or not upon its own policy.
- *
- * Such ownership is unlikely to be switched in the fly, and thus
- * not sure unregister interface is required or not. Being same reason,
- * lock is not forced now.
- */
-int processor_register_extcntl(struct processor_extcntl_ops *ops)
-{
- if (!ops)
- return -EINVAL;
-
- if (processor_extcntl_ops &&
- (processor_extcntl_ops != ops))
- return -EBUSY;
-
- processor_extcntl_ops = ops;
- return 0;
-}
-
-int processor_unregister_extcntl(struct processor_extcntl_ops *ops)
-{
- if (processor_extcntl_ops == ops)
- processor_extcntl_ops = NULL;
-
- return 0;
+ */
+void processor_extcntl_init(void)
+{
+ if (!processor_extcntl_ops)
+ arch_acpi_processor_init_extcntl(&processor_extcntl_ops);
}
/*
@@ -145,7 +126,7 @@ int processor_unregister_extcntl(struct
* and performance state. Those information may be not available
* if splitting from dom0 control logic like cpufreq driver.
*/
-int processor_extcntl_init(struct acpi_processor *pr)
+int processor_extcntl_prepare(struct acpi_processor *pr)
{
/* parse cstate dependency information */
if (processor_pm_external())
@@ -187,7 +168,6 @@ static int processor_extcntl_parse_csd(s
* logic. So we have to collect raw performance information here
* when ACPI processor object is found and started.
*/
-#ifdef CONFIG_CPU_FREQ
static int processor_extcntl_get_performance(struct acpi_processor *pr)
{
int ret;
@@ -244,6 +224,3 @@ err_out:
kfree(perf);
return ret;
}
-#else
-static int processor_extcntl_get_performance(struct acpi_processor *pr) {
return 0; }
-#endif
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/processor_idle.c
--- a/drivers/acpi/processor_idle.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/processor_idle.c Thu Aug 07 11:58:10 2008 +0900
@@ -714,17 +714,12 @@ static int acpi_processor_get_power_info
(reg->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE))
continue;
-#ifdef CONFIG_XEN
if (!processor_pm_external())
cx.address = (reg->space_id ==
ACPI_ADR_SPACE_FIXED_HARDWARE) ?
0 : reg->address;
else
cx.address = reg->address;
-#else
- cx.address = (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) ?
- 0 : reg->address;
-#endif /* CONFIG_XEN */
/* There should be an easy way to extract an integer... */
obj = (union acpi_object *)&(element->package.elements[1]);
@@ -733,17 +728,11 @@ static int acpi_processor_get_power_info
cx.type = obj->integer.value;
-#ifdef CONFIG_XEN
/* Following check doesn't apply to external control case */
- if (!processor_pm_external())
- if ((cx.type != ACPI_STATE_C1) &&
- (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO))
- continue;
-#else
- if ((cx.type != ACPI_STATE_C1) &&
+ if (!processor_pm_external() &&
+ (cx.type != ACPI_STATE_C1) &&
(reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO))
continue;
-#endif /* CONFIG_XEN */
if ((cx.type < ACPI_STATE_C2) || (cx.type > ACPI_STATE_C3))
continue;
@@ -1008,24 +997,16 @@ int acpi_processor_cst_has_changed(struc
return -ENODEV;
/* Fall back to the default idle loop */
-#ifdef CONFIG_XEN
if (!processor_pm_external())
pm_idle = pm_idle_save;
-#else
- pm_idle = pm_idle_save;
-#endif /* CONFIG_XEN */
synchronize_sched(); /* Relies on interrupts forcing exit from idle.
*/
pr->flags.power = 0;
result = acpi_processor_get_power_info(pr);
-#ifdef CONFIG_XEN
if (processor_pm_external())
processor_notify_external(pr,
PROCESSOR_PM_CHANGE, PM_TYPE_IDLE);
else if ((pr->flags.power == 1) && (pr->flags.power_setup_done))
-#else
- if ((pr->flags.power == 1) && (pr->flags.power_setup_done))
-#endif /* CONFIG_XEN */
pm_idle = acpi_processor_idle;
return result;
@@ -1157,11 +1138,7 @@ int acpi_processor_power_init(struct acp
pr->power.states[i].type);
printk(")\n");
-#ifdef CONFIG_XEN
if (!processor_pm_external() && (pr->id == 0)) {
-#else
- if (pr->id == 0) {
-#endif /* CONFIG_XEN */
pm_idle_save = pm_idle;
pm_idle = acpi_processor_idle;
}
@@ -1180,11 +1157,9 @@ int acpi_processor_power_init(struct acp
pr->flags.power_setup_done = 1;
-#ifdef CONFIG_XEN
if (processor_pm_external())
processor_notify_external(pr,
PROCESSOR_PM_INIT, PM_TYPE_IDLE);
-#endif /* CONFIG_XEN */
return 0;
}
diff -r 678ad99920c8 -r 324a5c041301 drivers/acpi/processor_perflib.c
--- a/drivers/acpi/processor_perflib.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/acpi/processor_perflib.c Thu Aug 07 11:58:10 2008 +0900
@@ -66,6 +66,7 @@ static DEFINE_MUTEX(performance_mutex);
static int acpi_processor_ppc_status = 0;
+#ifdef CONFIG_CPU_FREQ
static int acpi_processor_ppc_notifier(struct notifier_block *nb,
unsigned long event, void *data)
{
@@ -102,6 +103,7 @@ static struct notifier_block acpi_ppc_no
static struct notifier_block acpi_ppc_notifier_block = {
.notifier_call = acpi_processor_ppc_notifier,
};
+#endif /* CONFIG_CPU_FREQ */
static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
{
@@ -136,15 +138,16 @@ int acpi_processor_ppc_has_changed(struc
int ret = acpi_processor_get_platform_limit(pr);
if (ret < 0)
return (ret);
-#ifdef CONFIG_XEN
- else if (processor_pmperf_external())
+ else
+#ifdef CONFIG_CPU_FREQ
+ return cpufreq_update_policy(pr->id);
+#elif CONFIG_PROCESSOR_EXTERNAL_CONTROL
return processor_notify_external(pr,
PROCESSOR_PM_CHANGE, PM_TYPE_PERF);
-#endif /* CONFIG_XEN */
- else
- return cpufreq_update_policy(pr->id);
-}
-
+#endif
+}
+
+#ifdef CONFIG_CPU_FREQ
void acpi_processor_ppc_init(void)
{
if (!cpufreq_register_notifier
@@ -163,6 +166,7 @@ void acpi_processor_ppc_exit(void)
acpi_processor_ppc_status &= ~PPC_REGISTERED;
}
+#endif /* CONFIG_CPU_FREQ */
static int acpi_processor_get_performance_control(struct acpi_processor *pr)
{
@@ -305,10 +309,9 @@ static int acpi_processor_get_performanc
}
#ifndef CONFIG_PROCESSOR_EXTERNAL_CONTROL
-static int acpi_processor_get_performance_info(struct acpi_processor *pr)
-#else
+static
+#endif
int acpi_processor_get_performance_info(struct acpi_processor *pr)
-#endif
{
int result = 0;
acpi_status status = AE_OK;
@@ -340,6 +343,7 @@ int acpi_processor_get_performance_info(
return 0;
}
+#ifdef CONFIG_CPU_FREQ
int acpi_processor_notify_smm(struct module *calling_module)
{
acpi_status status;
@@ -407,6 +411,7 @@ int acpi_processor_notify_smm(struct mod
}
EXPORT_SYMBOL(acpi_processor_notify_smm);
+#endif /* CONFIG_CPU_FREQ */
#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
/* /proc/acpi/processor/../performance interface (DEPRECATED) */
@@ -548,10 +553,9 @@ static void acpi_cpufreq_remove_file(str
#endif /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */
#ifndef CONFIG_PROCESSOR_EXTERNAL_CONTROL
-static int acpi_processor_get_psd(struct acpi_processor *pr)
-#else
+static
+#endif
int acpi_processor_get_psd(struct acpi_processor *pr)
-#endif
{
int result = 0;
acpi_status status = AE_OK;
diff -r 678ad99920c8 -r 324a5c041301 drivers/cpufreq/Kconfig
--- a/drivers/cpufreq/Kconfig Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/cpufreq/Kconfig Thu Aug 07 11:58:10 2008 +0900
@@ -1,5 +1,6 @@ config CPU_FREQ
config CPU_FREQ
bool "CPU Frequency scaling"
+ depends on !PROCESSOR_EXTERNAL_CONTROL
help
CPU Frequency scaling allows you to change the clock speed of
CPUs on the fly. This is a nice method to save power, because
diff -r 678ad99920c8 -r 324a5c041301 drivers/pci/msi-xen.c
--- a/drivers/pci/msi-xen.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/pci/msi-xen.c Thu Aug 07 11:58:10 2008 +0900
@@ -116,7 +116,7 @@ static void detach_pirq_entry(int entry_
/*
* pciback will provide device's owner
*/
-int (*get_owner)(struct pci_dev *dev);
+static int (*get_owner)(struct pci_dev *dev);
int register_msi_get_owner(int (*func)(struct pci_dev *dev))
{
@@ -130,33 +130,32 @@ int register_msi_get_owner(int (*func)(s
int unregister_msi_get_owner(int (*func)(struct pci_dev *dev))
{
- if (get_owner == func)
- get_owner = NULL;
+ if (get_owner != func)
+ return -EINVAL;
+ get_owner = NULL;
return 0;
}
static int msi_get_dev_owner(struct pci_dev *dev)
{
- int owner = DOMID_SELF;
+ int owner;
BUG_ON(!is_initial_xendomain());
- if (get_owner && (owner = get_owner(dev)) >=0 ) {
+ if (get_owner && (owner = get_owner(dev)) >= 0) {
printk(KERN_INFO "get owner for dev %x get %x \n",
- dev->devfn, owner);
+ dev->devfn, owner);
return owner;
}
- else
- return DOMID_SELF;
+
+ return DOMID_SELF;
}
static int msi_unmap_pirq(struct pci_dev *dev, int pirq)
{
struct physdev_unmap_pirq unmap;
int rc;
- domid_t domid = DOMID_SELF;
-
- domid = msi_get_dev_owner(dev);
- unmap.domid = domid;
+
+ unmap.domid = msi_get_dev_owner(dev);
unmap.pirq = pirq;
if ((rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap)))
@@ -164,7 +163,7 @@ static int msi_unmap_pirq(struct pci_dev
if (rc < 0)
return rc;
- return 0;
+ return 0;
}
/*
diff -r 678ad99920c8 -r 324a5c041301 drivers/pci/msi.h
--- a/drivers/pci/msi.h Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/pci/msi.h Thu Aug 07 11:58:10 2008 +0900
@@ -84,11 +84,6 @@ extern void (*interrupt[NR_IRQS])(void);
extern void (*interrupt[NR_IRQS])(void);
extern int pci_vector_resources(int last, int nr_released);
-#ifdef CONFIG_XEN
-extern int unregister_msi_get_owner(int (*func)(struct pci_dev *dev));
-extern int register_msi_get_owner(int (*func)(struct pci_dev *dev));
-#endif
-
/*
* MSI-X Address Register
*/
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/blkfront/blkfront.c
--- a/drivers/xen/blkfront/blkfront.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/blkfront/blkfront.c Thu Aug 07 11:58:10 2008 +0900
@@ -352,6 +352,13 @@ static void connect(struct blkfront_info
return;
}
+ err = xlvbd_sysfs_addif(info);
+ if (err) {
+ xenbus_dev_fatal(info->xbdev, err, "xlvbd_sysfs_addif at %s",
+ info->xbdev->otherend);
+ return;
+ }
+
(void)xenbus_switch_state(info->xbdev, XenbusStateConnected);
/* Kick pending requests. */
@@ -390,6 +397,8 @@ static void blkfront_closing(struct xenb
/* Flush gnttab callback work. Must be done with no locks held. */
flush_scheduled_work();
+
+ xlvbd_sysfs_delif(info);
xlvbd_del(info);
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/blkfront/block.h
--- a/drivers/xen/blkfront/block.h Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/blkfront/block.h Thu Aug 07 11:58:10 2008 +0900
@@ -140,4 +140,19 @@ void xlvbd_del(struct blkfront_info *inf
void xlvbd_del(struct blkfront_info *info);
int xlvbd_barrier(struct blkfront_info *info);
+#ifdef CONFIG_SYSFS
+int xlvbd_sysfs_addif(struct blkfront_info *info);
+void xlvbd_sysfs_delif(struct blkfront_info *info);
+#else
+static inline int xlvbd_sysfs_addif(struct blkfront_info *info)
+{
+ return 0;
+}
+
+static inline void xlvbd_sysfs_delif(struct blkfront_info *info)
+{
+ ;
+}
+#endif
+
#endif /* __XEN_DRIVERS_BLOCK_H__ */
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/blkfront/vbd.c
--- a/drivers/xen/blkfront/vbd.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/blkfront/vbd.c Thu Aug 07 11:58:10 2008 +0900
@@ -413,3 +413,48 @@ xlvbd_barrier(struct blkfront_info *info
return -ENOSYS;
}
#endif
+
+#ifdef CONFIG_SYSFS
+static ssize_t show_media(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct xenbus_device *xendev = to_xenbus_device(dev);
+ struct blkfront_info *info = xendev->dev.driver_data;
+
+ if (info->gd->flags & GENHD_FL_CD)
+ return sprintf(buf, "cdrom\n");
+ return sprintf(buf, "disk\n");
+}
+
+static struct device_attribute xlvbd_attrs[] = {
+ __ATTR(media, S_IRUGO, show_media, NULL),
+};
+
+int xlvbd_sysfs_addif(struct blkfront_info *info)
+{
+ int i;
+ int error = 0;
+
+ for (i = 0; i < ARRAY_SIZE(xlvbd_attrs); i++) {
+ error = device_create_file(info->gd->driverfs_dev,
+ &xlvbd_attrs[i]);
+ if (error)
+ goto fail;
+ }
+ return 0;
+
+fail:
+ while (--i >= 0)
+ device_remove_file(info->gd->driverfs_dev, &xlvbd_attrs[i]);
+ return error;
+}
+
+void xlvbd_sysfs_delif(struct blkfront_info *info)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(xlvbd_attrs); i++)
+ device_remove_file(info->gd->driverfs_dev, &xlvbd_attrs[i]);
+}
+
+#endif /* CONFIG_SYSFS */
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/core/machine_reboot.c
--- a/drivers/xen/core/machine_reboot.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/core/machine_reboot.c Thu Aug 07 11:58:10 2008 +0900
@@ -26,8 +26,6 @@ void (*pm_power_off)(void);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
-int setup_suspend_evtchn(void);
-
void machine_emergency_restart(void)
{
/* We really want to get pending console data out before we die. */
@@ -133,7 +131,7 @@ static void post_suspend(int suspend_can
struct suspend {
int fast_suspend;
- void (*resume_notifier)(void);
+ void (*resume_notifier)(int);
};
static int take_machine_down(void *_suspend)
@@ -175,7 +173,7 @@ static int take_machine_down(void *_susp
*/
suspend_cancelled = HYPERVISOR_suspend(virt_to_mfn(xen_start_info));
- suspend->resume_notifier();
+ suspend->resume_notifier(suspend_cancelled);
post_suspend(suspend_cancelled);
gnttab_resume();
if (!suspend_cancelled) {
@@ -204,7 +202,7 @@ static int take_machine_down(void *_susp
return suspend_cancelled;
}
-int __xen_suspend(int fast_suspend, void (*resume_notifier)(void))
+int __xen_suspend(int fast_suspend, void (*resume_notifier)(int))
{
int err, suspend_cancelled;
struct suspend suspend;
@@ -243,7 +241,6 @@ int __xen_suspend(int fast_suspend, void
if (!suspend_cancelled) {
xencons_resume();
xenbus_resume();
- setup_suspend_evtchn();
} else {
xenbus_suspend_cancel();
}
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/core/pci.c
--- a/drivers/xen/core/pci.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/core/pci.c Thu Aug 07 11:58:10 2008 +0900
@@ -24,7 +24,8 @@ static int pci_bus_probe_wrapper(struct
r = pci_bus_probe(dev);
if (r)
- HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_remove, &manage_pci);
+ WARN_ON(HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_remove,
+ &manage_pci));
return r;
}
@@ -40,7 +41,8 @@ static int pci_bus_remove_wrapper(struct
r = pci_bus_remove(dev);
/* dev and pci_dev are no longer valid!! */
- HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_remove, &manage_pci);
+ WARN_ON(HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_remove,
+ &manage_pci));
return r;
}
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/core/reboot.c
--- a/drivers/xen/core/reboot.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/core/reboot.c Thu Aug 07 11:58:10 2008 +0900
@@ -27,13 +27,18 @@ MODULE_LICENSE("Dual BSD/GPL");
/* Ignore multiple shutdown requests. */
static int shutting_down = SHUTDOWN_INVALID;
+/* Was last suspend request cancelled? */
+static int suspend_cancelled;
+
/* Can we leave APs online when we suspend? */
static int fast_suspend;
static void __shutdown_handler(void *unused);
static DECLARE_WORK(shutdown_work, __shutdown_handler, NULL);
-int __xen_suspend(int fast_suspend, void (*resume_notifier)(void));
+static int setup_suspend_evtchn(void);
+
+int __xen_suspend(int fast_suspend, void (*resume_notifier)(int));
static int shutdown_process(void *__unused)
{
@@ -62,10 +67,11 @@ static int shutdown_process(void *__unus
return 0;
}
-static void xen_resume_notifier(void)
+static void xen_resume_notifier(int _suspend_cancelled)
{
int old_state = xchg(&shutting_down, SHUTDOWN_RESUMING);
BUG_ON(old_state != SHUTDOWN_SUSPEND);
+ suspend_cancelled = _suspend_cancelled;
}
static int xen_suspend(void *__unused)
@@ -85,6 +91,8 @@ static int xen_suspend(void *__unused)
printk(KERN_ERR "Xen suspend failed (%d)\n", err);
goto fail;
}
+ if (!suspend_cancelled)
+ setup_suspend_evtchn();
old_state = cmpxchg(
&shutting_down, SHUTDOWN_RESUMING, SHUTDOWN_INVALID);
} while (old_state == SHUTDOWN_SUSPEND);
@@ -108,6 +116,31 @@ static int xen_suspend(void *__unused)
return 0;
}
+static void switch_shutdown_state(int new_state)
+{
+ int prev_state, old_state = SHUTDOWN_INVALID;
+
+ /* We only drive shutdown_state into an active state. */
+ if (new_state == SHUTDOWN_INVALID)
+ return;
+
+ do {
+ /* We drop this transition if already in an active state. */
+ if ((old_state != SHUTDOWN_INVALID) &&
+ (old_state != SHUTDOWN_RESUMING))
+ return;
+ /* Attempt to transition. */
+ prev_state = old_state;
+ old_state = cmpxchg(&shutting_down, old_state, new_state);
+ } while (old_state != prev_state);
+
+ /* Either we kick off the work, or we leave it to xen_suspend(). */
+ if (old_state == SHUTDOWN_INVALID)
+ schedule_work(&shutdown_work);
+ else
+ BUG_ON(old_state != SHUTDOWN_RESUMING);
+}
+
static void __shutdown_handler(void *unused)
{
int err;
@@ -129,7 +162,7 @@ static void shutdown_handler(struct xenb
extern void ctrl_alt_del(void);
char *str;
struct xenbus_transaction xbt;
- int err, old_state, new_state = SHUTDOWN_INVALID;
+ int err, new_state = SHUTDOWN_INVALID;
if ((shutting_down != SHUTDOWN_INVALID) &&
(shutting_down != SHUTDOWN_RESUMING))
@@ -166,13 +199,7 @@ static void shutdown_handler(struct xenb
else
printk("Ignoring shutdown request: %s\n", str);
- if (new_state != SHUTDOWN_INVALID) {
- old_state = xchg(&shutting_down, new_state);
- if (old_state == SHUTDOWN_INVALID)
- schedule_work(&shutdown_work);
- else
- BUG_ON(old_state != SHUTDOWN_RESUMING);
- }
+ switch_shutdown_state(new_state);
kfree(str);
}
@@ -220,26 +247,24 @@ static struct xenbus_watch sysrq_watch =
static irqreturn_t suspend_int(int irq, void* dev_id, struct pt_regs *ptregs)
{
- shutting_down = SHUTDOWN_SUSPEND;
- schedule_work(&shutdown_work);
-
+ switch_shutdown_state(SHUTDOWN_SUSPEND);
return IRQ_HANDLED;
}
-int setup_suspend_evtchn(void)
-{
- static int irq = -1;
+static int setup_suspend_evtchn(void)
+{
+ static int irq;
int port;
- char portstr[5]; /* 1024 max */
+ char portstr[16];
if (irq > 0)
unbind_from_irqhandler(irq, NULL);
irq = bind_listening_port_to_irqhandler(0, suspend_int, 0, "suspend",
NULL);
- if (irq <= 0) {
+ if (irq <= 0)
return -1;
- }
+
port = irq_to_evtchn_port(irq);
printk(KERN_INFO "suspend: event channel %d\n", port);
sprintf(portstr, "%d", port);
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/netfront/accel.c Thu Aug 07 11:58:10 2008 +0900
@@ -709,8 +709,9 @@ int netfront_accelerator_suspend_cancel(
* accelerator, so no need to call accelerator_probe_new_vif()
* directly here
*/
- netfront_accelerator_add_watch(np);
- return 0;
+ if (dev->state == XenbusStateConnected)
+ netfront_accelerator_add_watch(np);
+ return 0;
}
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/pciback/pci_stub.c
--- a/drivers/xen/pciback/pci_stub.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/pciback/pci_stub.c Thu Aug 07 11:58:10 2008 +0900
@@ -832,9 +832,7 @@ static void pcistub_exit(void)
driver_remove_file(&pciback_pci_driver.driver, &driver_attr_permissive);
pci_unregister_driver(&pciback_pci_driver);
-#ifdef CONFIG_PCI_MSI
- unregister_msi_get_owner(pciback_get_owner);
-#endif
+ WARN_ON(unregister_msi_get_owner(pciback_get_owner));
}
static int __init pcistub_init(void)
@@ -892,10 +890,8 @@ static int __init pcistub_init(void)
err = driver_create_file(&pciback_pci_driver.driver,
&driver_attr_permissive);
-#ifdef CONFIG_PCI_MSI
if (!err)
err = register_msi_get_owner(pciback_get_owner);
-#endif
if (err)
pcistub_exit();
diff -r 678ad99920c8 -r 324a5c041301 drivers/xen/scsiback/emulate.c
--- a/drivers/xen/scsiback/emulate.c Tue Aug 05 12:19:38 2008 +0900
+++ b/drivers/xen/scsiback/emulate.c Thu Aug 07 11:58:10 2008 +0900
@@ -73,8 +73,6 @@
#define VSCSI_MAX_SCSI_OP_CODE 256
static unsigned char bitmap[VSCSI_MAX_SCSI_OP_CODE];
-/* REPORT LUNS Header*/
-#define VSCSI_REPORT_LUNS_HEADER 8
/*
@@ -200,6 +198,11 @@ static int __nr_luns_under_host(struct v
return (lun_cnt);
}
+
+
+/* REPORT LUNS Define*/
+#define VSCSI_REPORT_LUNS_HEADER 8
+#define VSCSI_REPORT_LUNS_RETRY 3
/* quoted scsi_debug.c/resp_report_luns() */
static void __report_luns(pending_req_t *pending_req, void *data)
@@ -215,6 +218,7 @@ static void __report_luns(pending_req_t
unsigned int alloc_luns = 0;
unsigned int req_bufflen = 0;
unsigned int actual_len = 0;
+ unsigned int retry_cnt = 0;
int select_report = (int)cmd[2];
int i, lun_cnt = 0, lun, upper, err = 0;
@@ -231,7 +235,7 @@ static void __report_luns(pending_req_t
alloc_luns = __nr_luns_under_host(info);
alloc_len = sizeof(struct scsi_lun) * alloc_luns
+ VSCSI_REPORT_LUNS_HEADER;
-
+retry:
if ((buff = kmalloc(alloc_len, GFP_KERNEL)) == NULL) {
printk(KERN_ERR "scsiback:%s kmalloc err\n", __FUNCTION__);
goto fail;
@@ -246,8 +250,19 @@ static void __report_luns(pending_req_t
(entry->v.tgt == target)) {
/* check overflow */
- if (lun_cnt >= alloc_luns)
+ if (lun_cnt >= alloc_luns) {
+ spin_unlock_irqrestore(&info->v2p_lock,
+ flags);
+
+ if (retry_cnt < VSCSI_REPORT_LUNS_RETRY) {
+ retry_cnt++;
+ if (buff)
+ kfree(buff);
+ goto retry;
+ }
+
goto fail;
+ }
lun = entry->v.lun;
upper = (lun >> 8) & 0x3f;
diff -r 678ad99920c8 -r 324a5c041301 include/acpi/processor.h
--- a/include/acpi/processor.h Tue Aug 05 12:19:38 2008 +0900
+++ b/include/acpi/processor.h Thu Aug 07 11:58:10 2008 +0900
@@ -22,7 +22,9 @@
#define ACPI_PSD_REV0_ENTRIES 5
#ifdef CONFIG_XEN
-#define NR_ACPI_CPUS 256
+#define NR_ACPI_CPUS (NR_CPUS < 256 ? 256 : NR_CPUS)
+#else
+#define NR_ACPI_CPUS NR_CPUS
#endif /* CONFIG_XEN */
/*
@@ -252,6 +254,9 @@ static inline void acpi_processor_ppc_ex
{
return;
}
+#ifdef CONFIG_PROCESSOR_EXTERNAL_CONTROL
+int acpi_processor_ppc_has_changed(struct acpi_processor *pr);
+#else
static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
{
static unsigned int printout = 1;
@@ -264,6 +269,7 @@ static inline int acpi_processor_ppc_has
}
return 0;
}
+#endif /* CONFIG_PROCESSOR_EXTERNAL_CONTROL */
#endif /* CONFIG_CPU_FREQ */
/* in processor_throttling.c */
@@ -296,7 +302,6 @@ static inline void acpi_thermal_cpufreq_
}
#endif
-#ifdef CONFIG_XEN
/*
* Following are interfaces geared to external processor PM control
* logic like a VMM
@@ -306,7 +311,7 @@ static inline void acpi_thermal_cpufreq_
#define PROCESSOR_PM_CHANGE 2
#define PROCESSOR_HOTPLUG 3
-/* Objects for the PM envents */
+/* Objects for the PM events */
#define PM_TYPE_IDLE 0
#define PM_TYPE_PERF 1
#define PM_TYPE_THR 2
@@ -323,7 +328,7 @@ struct processor_extcntl_ops {
/* Notify physical processor status to external control logic */
int (*hotplug)(struct acpi_processor *pr, int event);
};
-extern struct processor_extcntl_ops *processor_extcntl_ops;
+extern const struct processor_extcntl_ops *processor_extcntl_ops;
static inline int processor_cntl_external(void)
{
@@ -350,11 +355,11 @@ static inline int processor_pmthr_extern
extern int processor_notify_external(struct acpi_processor *pr,
int event, int type);
-extern int processor_register_extcntl(struct processor_extcntl_ops *ops);
-extern int processor_unregister_extcntl(struct processor_extcntl_ops *ops);
-extern int processor_extcntl_init(struct acpi_processor *pr);
+extern void processor_extcntl_init(void);
+extern int processor_extcntl_prepare(struct acpi_processor *pr);
extern int acpi_processor_get_performance_info(struct acpi_processor *pr);
extern int acpi_processor_get_psd(struct acpi_processor *pr);
+void arch_acpi_processor_init_extcntl(const struct processor_extcntl_ops **);
#else
static inline int processor_cntl_external(void) {return 0;}
static inline int processor_pm_external(void) {return 0;}
@@ -363,13 +368,13 @@ static inline int processor_notify_exter
static inline int processor_notify_external(struct acpi_processor *pr,
int event, int type)
{
- return -EINVAL;
-}
-static inline int processor_extcntl_init(struct acpi_processor *pr)
-{
- return -EINVAL;
+ return 0;
+}
+static inline void processor_extcntl_init(void) {}
+static inline int processor_extcntl_prepare(struct acpi_processor *pr)
+{
+ return 0;
}
#endif /* CONFIG_PROCESSOR_EXTERNAL_CONTROL */
-#endif /* CONFIG_XEN */
-
-#endif
+
+#endif
diff -r 678ad99920c8 -r 324a5c041301 include/linux/pci.h
--- a/include/linux/pci.h Tue Aug 05 12:19:38 2008 +0900
+++ b/include/linux/pci.h Thu Aug 07 11:58:10 2008 +0900
@@ -599,6 +599,10 @@ static inline int pci_enable_msix(struct
struct msix_entry *entries, int nvec) {return -1;}
static inline void pci_disable_msix(struct pci_dev *dev) {}
static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
+#ifdef CONFIG_XEN
+#define register_msi_get_owner(func) 0
+#define unregister_msi_get_owner(func) 0
+#endif
#else
extern void pci_scan_msi_device(struct pci_dev *dev);
extern int pci_enable_msi(struct pci_dev *dev);
@@ -607,6 +611,10 @@ extern int pci_enable_msix(struct pci_de
struct msix_entry *entries, int nvec);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
+#ifdef CONFIG_XEN
+extern int register_msi_get_owner(int (*func)(struct pci_dev *dev));
+extern int unregister_msi_get_owner(int (*func)(struct pci_dev *dev));
+#endif
#endif
extern void pci_block_user_cfg_access(struct pci_dev *dev);
diff -r 678ad99920c8 -r 324a5c041301 include/xen/interface/xen.h
--- a/include/xen/interface/xen.h Tue Aug 05 12:19:38 2008 +0900
+++ b/include/xen/interface/xen.h Thu Aug 07 11:58:10 2008 +0900
@@ -554,6 +554,7 @@ typedef struct start_info start_info_t;
/* These flags are passed in the 'flags' field of start_info_t. */
#define SIF_PRIVILEGED (1<<0) /* Is the domain privileged? */
#define SIF_INITDOMAIN (1<<1) /* Is this the initial control domain? */
+#define SIF_PM_MASK (0xFF<<8) /* reserve 1 byte for xen-pm options */
typedef struct dom0_vga_console_info {
uint8_t video_type; /* DOM0_VGA_CONSOLE_??? */
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