* [Qemu-devel] [PATCH for-1.2 0/2] migrate PV EOI MSR
@ 2012-08-26 15:59 ` Michael S. Tsirkin
0 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
It turns out PV EOI gets disabled after migration -
until next guest reset.
This is because we are missing code to actually migrate it.
This patch fixes it up: it does not do anything useful
without kvm irqchip but applies cleanly to qemu.git
as well as qemu-kvm.git, so I think it's cleaner
to apply it in qemu.git to keep diff to minimum.
Needed for 1.2.
Michael S. Tsirkin (2):
linux-headers: update asm/kvm_para.h to 3.6
kvm: get/set PV EOI MSR
linux-headers/asm-x86/kvm_para.h | 7 +++++++
target-i386/cpu.h | 1 +
target-i386/kvm.c | 13 +++++++++++++
target-i386/machine.c | 21 +++++++++++++++++++++
4 files changed, 42 insertions(+)
--
MST
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH for-1.2 0/2] migrate PV EOI MSR
@ 2012-08-26 15:59 ` Michael S. Tsirkin
0 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
It turns out PV EOI gets disabled after migration -
until next guest reset.
This is because we are missing code to actually migrate it.
This patch fixes it up: it does not do anything useful
without kvm irqchip but applies cleanly to qemu.git
as well as qemu-kvm.git, so I think it's cleaner
to apply it in qemu.git to keep diff to minimum.
Needed for 1.2.
Michael S. Tsirkin (2):
linux-headers: update asm/kvm_para.h to 3.6
kvm: get/set PV EOI MSR
linux-headers/asm-x86/kvm_para.h | 7 +++++++
target-i386/cpu.h | 1 +
target-i386/kvm.c | 13 +++++++++++++
target-i386/machine.c | 21 +++++++++++++++++++++
4 files changed, 42 insertions(+)
--
MST
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Qemu-devel] [PATCH for-1.2 1/2] linux-headers: update asm/kvm_para.h to 3.6
2012-08-26 15:59 ` Michael S. Tsirkin
@ 2012-08-26 15:59 ` Michael S. Tsirkin
-1 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
Update asm-x96/kvm_para.h to version present in Linux 3.6.
This is needed for the new PV EOI feature.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
| 7 +++++++
1 file changed, 7 insertions(+)
--git a/linux-headers/asm-x86/kvm_para.h b/linux-headers/asm-x86/kvm_para.h
index f2ac46a..a1c3d72 100644
--- a/linux-headers/asm-x86/kvm_para.h
+++ b/linux-headers/asm-x86/kvm_para.h
@@ -22,6 +22,7 @@
#define KVM_FEATURE_CLOCKSOURCE2 3
#define KVM_FEATURE_ASYNC_PF 4
#define KVM_FEATURE_STEAL_TIME 5
+#define KVM_FEATURE_PV_EOI 6
/* The last 8 bits are used to indicate how to interpret the flags field
* in pvclock structure. If no bits are set, all flags are ignored.
@@ -37,6 +38,7 @@
#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
#define MSR_KVM_ASYNC_PF_EN 0x4b564d02
#define MSR_KVM_STEAL_TIME 0x4b564d03
+#define MSR_KVM_PV_EOI_EN 0x4b564d04
struct kvm_steal_time {
__u64 steal;
@@ -89,5 +91,10 @@ struct kvm_vcpu_pv_apf_data {
__u32 enabled;
};
+#define KVM_PV_EOI_BIT 0
+#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
+#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
+#define KVM_PV_EOI_DISABLED 0x0
+
#endif /* _ASM_X86_KVM_PARA_H */
--
MST
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH for-1.2 1/2] linux-headers: update asm/kvm_para.h to 3.6
@ 2012-08-26 15:59 ` Michael S. Tsirkin
0 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
Update asm-x96/kvm_para.h to version present in Linux 3.6.
This is needed for the new PV EOI feature.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
| 7 +++++++
1 file changed, 7 insertions(+)
--git a/linux-headers/asm-x86/kvm_para.h b/linux-headers/asm-x86/kvm_para.h
index f2ac46a..a1c3d72 100644
--- a/linux-headers/asm-x86/kvm_para.h
+++ b/linux-headers/asm-x86/kvm_para.h
@@ -22,6 +22,7 @@
#define KVM_FEATURE_CLOCKSOURCE2 3
#define KVM_FEATURE_ASYNC_PF 4
#define KVM_FEATURE_STEAL_TIME 5
+#define KVM_FEATURE_PV_EOI 6
/* The last 8 bits are used to indicate how to interpret the flags field
* in pvclock structure. If no bits are set, all flags are ignored.
@@ -37,6 +38,7 @@
#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
#define MSR_KVM_ASYNC_PF_EN 0x4b564d02
#define MSR_KVM_STEAL_TIME 0x4b564d03
+#define MSR_KVM_PV_EOI_EN 0x4b564d04
struct kvm_steal_time {
__u64 steal;
@@ -89,5 +91,10 @@ struct kvm_vcpu_pv_apf_data {
__u32 enabled;
};
+#define KVM_PV_EOI_BIT 0
+#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
+#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
+#define KVM_PV_EOI_DISABLED 0x0
+
#endif /* _ASM_X86_KVM_PARA_H */
--
MST
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [Qemu-devel] [PATCH for-1.2 2/2] kvm: get/set PV EOI MSR
2012-08-26 15:59 ` Michael S. Tsirkin
@ 2012-08-26 15:59 ` Michael S. Tsirkin
-1 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
Support get/set of new PV EOI MSR, for migration.
Add an optional section for MSR value - send it
out in case MSR was changed from the default value (0).
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
target-i386/cpu.h | 1 +
target-i386/kvm.c | 13 +++++++++++++
target-i386/machine.c | 21 +++++++++++++++++++++
3 files changed, 35 insertions(+)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index aabf993..3c57d8b 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -699,6 +699,7 @@ typedef struct CPUX86State {
uint64_t system_time_msr;
uint64_t wall_clock_msr;
uint64_t async_pf_en_msr;
+ uint64_t pv_eoi_en_msr;
uint64_t tsc;
uint64_t tsc_deadline;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 5e2d4f5..6790180 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -64,6 +64,7 @@ static bool has_msr_star;
static bool has_msr_hsave_pa;
static bool has_msr_tsc_deadline;
static bool has_msr_async_pf_en;
+static bool has_msr_pv_eoi_en;
static bool has_msr_misc_enable;
static int lm_capable_kernel;
@@ -456,6 +457,8 @@ int kvm_arch_init_vcpu(CPUX86State *env)
has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF);
+ has_msr_pv_eoi_en = c->eax & (1 << KVM_FEATURE_PV_EOI);
+
cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
for (i = 0; i <= limit; i++) {
@@ -1018,6 +1021,10 @@ static int kvm_put_msrs(CPUX86State *env, int level)
kvm_msr_entry_set(&msrs[n++], MSR_KVM_ASYNC_PF_EN,
env->async_pf_en_msr);
}
+ if (has_msr_pv_eoi_en) {
+ kvm_msr_entry_set(&msrs[n++], MSR_KVM_PV_EOI_EN,
+ env->pv_eoi_en_msr);
+ }
if (hyperv_hypercall_available()) {
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_GUEST_OS_ID, 0);
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_HYPERCALL, 0);
@@ -1260,6 +1267,9 @@ static int kvm_get_msrs(CPUX86State *env)
if (has_msr_async_pf_en) {
msrs[n++].index = MSR_KVM_ASYNC_PF_EN;
}
+ if (has_msr_pv_eoi_en) {
+ msrs[n++].index = MSR_KVM_PV_EOI_EN;
+ }
if (env->mcg_cap) {
msrs[n++].index = MSR_MCG_STATUS;
@@ -1339,6 +1349,9 @@ static int kvm_get_msrs(CPUX86State *env)
case MSR_KVM_ASYNC_PF_EN:
env->async_pf_en_msr = msrs[i].data;
break;
+ case MSR_KVM_PV_EOI_EN:
+ env->pv_eoi_en_msr = msrs[i].data;
+ break;
}
}
diff --git a/target-i386/machine.c b/target-i386/machine.c
index a8be058..4771508 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -279,6 +279,13 @@ static bool async_pf_msr_needed(void *opaque)
return cpu->async_pf_en_msr != 0;
}
+static bool pv_eoi_msr_needed(void *opaque)
+{
+ CPUX86State *cpu = opaque;
+
+ return cpu->pv_eoi_en_msr != 0;
+}
+
static const VMStateDescription vmstate_async_pf_msr = {
.name = "cpu/async_pf_msr",
.version_id = 1,
@@ -290,6 +297,17 @@ static const VMStateDescription vmstate_async_pf_msr = {
}
};
+static const VMStateDescription vmstate_pv_eoi_msr = {
+ .name = "cpu/async_pv_eoi_msr",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(pv_eoi_en_msr, CPUX86State),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool fpop_ip_dp_needed(void *opaque)
{
CPUX86State *env = opaque;
@@ -454,6 +472,9 @@ static const VMStateDescription vmstate_cpu = {
.vmsd = &vmstate_async_pf_msr,
.needed = async_pf_msr_needed,
} , {
+ .vmsd = &vmstate_pv_eoi_msr,
+ .needed = pv_eoi_msr_needed,
+ } , {
.vmsd = &vmstate_fpop_ip_dp,
.needed = fpop_ip_dp_needed,
}, {
--
MST
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH for-1.2 2/2] kvm: get/set PV EOI MSR
@ 2012-08-26 15:59 ` Michael S. Tsirkin
0 siblings, 0 replies; 10+ messages in thread
From: Michael S. Tsirkin @ 2012-08-26 15:59 UTC (permalink / raw
To: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
Support get/set of new PV EOI MSR, for migration.
Add an optional section for MSR value - send it
out in case MSR was changed from the default value (0).
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
target-i386/cpu.h | 1 +
target-i386/kvm.c | 13 +++++++++++++
target-i386/machine.c | 21 +++++++++++++++++++++
3 files changed, 35 insertions(+)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index aabf993..3c57d8b 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -699,6 +699,7 @@ typedef struct CPUX86State {
uint64_t system_time_msr;
uint64_t wall_clock_msr;
uint64_t async_pf_en_msr;
+ uint64_t pv_eoi_en_msr;
uint64_t tsc;
uint64_t tsc_deadline;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 5e2d4f5..6790180 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -64,6 +64,7 @@ static bool has_msr_star;
static bool has_msr_hsave_pa;
static bool has_msr_tsc_deadline;
static bool has_msr_async_pf_en;
+static bool has_msr_pv_eoi_en;
static bool has_msr_misc_enable;
static int lm_capable_kernel;
@@ -456,6 +457,8 @@ int kvm_arch_init_vcpu(CPUX86State *env)
has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF);
+ has_msr_pv_eoi_en = c->eax & (1 << KVM_FEATURE_PV_EOI);
+
cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
for (i = 0; i <= limit; i++) {
@@ -1018,6 +1021,10 @@ static int kvm_put_msrs(CPUX86State *env, int level)
kvm_msr_entry_set(&msrs[n++], MSR_KVM_ASYNC_PF_EN,
env->async_pf_en_msr);
}
+ if (has_msr_pv_eoi_en) {
+ kvm_msr_entry_set(&msrs[n++], MSR_KVM_PV_EOI_EN,
+ env->pv_eoi_en_msr);
+ }
if (hyperv_hypercall_available()) {
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_GUEST_OS_ID, 0);
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_HYPERCALL, 0);
@@ -1260,6 +1267,9 @@ static int kvm_get_msrs(CPUX86State *env)
if (has_msr_async_pf_en) {
msrs[n++].index = MSR_KVM_ASYNC_PF_EN;
}
+ if (has_msr_pv_eoi_en) {
+ msrs[n++].index = MSR_KVM_PV_EOI_EN;
+ }
if (env->mcg_cap) {
msrs[n++].index = MSR_MCG_STATUS;
@@ -1339,6 +1349,9 @@ static int kvm_get_msrs(CPUX86State *env)
case MSR_KVM_ASYNC_PF_EN:
env->async_pf_en_msr = msrs[i].data;
break;
+ case MSR_KVM_PV_EOI_EN:
+ env->pv_eoi_en_msr = msrs[i].data;
+ break;
}
}
diff --git a/target-i386/machine.c b/target-i386/machine.c
index a8be058..4771508 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -279,6 +279,13 @@ static bool async_pf_msr_needed(void *opaque)
return cpu->async_pf_en_msr != 0;
}
+static bool pv_eoi_msr_needed(void *opaque)
+{
+ CPUX86State *cpu = opaque;
+
+ return cpu->pv_eoi_en_msr != 0;
+}
+
static const VMStateDescription vmstate_async_pf_msr = {
.name = "cpu/async_pf_msr",
.version_id = 1,
@@ -290,6 +297,17 @@ static const VMStateDescription vmstate_async_pf_msr = {
}
};
+static const VMStateDescription vmstate_pv_eoi_msr = {
+ .name = "cpu/async_pv_eoi_msr",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(pv_eoi_en_msr, CPUX86State),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool fpop_ip_dp_needed(void *opaque)
{
CPUX86State *env = opaque;
@@ -454,6 +472,9 @@ static const VMStateDescription vmstate_cpu = {
.vmsd = &vmstate_async_pf_msr,
.needed = async_pf_msr_needed,
} , {
+ .vmsd = &vmstate_pv_eoi_msr,
+ .needed = pv_eoi_msr_needed,
+ } , {
.vmsd = &vmstate_fpop_ip_dp,
.needed = fpop_ip_dp_needed,
}, {
--
MST
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [Qemu-devel] [PATCH for-1.2 0/2] migrate PV EOI MSR
2012-08-26 15:59 ` Michael S. Tsirkin
@ 2012-08-27 6:20 ` Jan Kiszka
-1 siblings, 0 replies; 10+ messages in thread
From: Jan Kiszka @ 2012-08-27 6:20 UTC (permalink / raw
To: Michael S. Tsirkin; +Cc: gleb, kvm, mtosatti, qemu-devel, avi, Anthony Liguori
[-- Attachment #1: Type: text/plain, Size: 639 bytes --]
On 2012-08-26 17:59, Michael S. Tsirkin wrote:
> It turns out PV EOI gets disabled after migration -
> until next guest reset.
> This is because we are missing code to actually migrate it.
> This patch fixes it up: it does not do anything useful
> without kvm irqchip but applies cleanly to qemu.git
> as well as qemu-kvm.git, so I think it's cleaner
> to apply it in qemu.git to keep diff to minimum.
There is nothing except pci-assign left in qemu-kvm (which will be
posted for upstream in a minute), so you are intuitively doing the right
thing.
Patch 2 looks good to me, see patch 1 for the clean procedure.
Jan
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^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH for-1.2 0/2] migrate PV EOI MSR
@ 2012-08-27 6:20 ` Jan Kiszka
0 siblings, 0 replies; 10+ messages in thread
From: Jan Kiszka @ 2012-08-27 6:20 UTC (permalink / raw
To: Michael S. Tsirkin; +Cc: gleb, kvm, mtosatti, qemu-devel, avi, Anthony Liguori
[-- Attachment #1: Type: text/plain, Size: 639 bytes --]
On 2012-08-26 17:59, Michael S. Tsirkin wrote:
> It turns out PV EOI gets disabled after migration -
> until next guest reset.
> This is because we are missing code to actually migrate it.
> This patch fixes it up: it does not do anything useful
> without kvm irqchip but applies cleanly to qemu.git
> as well as qemu-kvm.git, so I think it's cleaner
> to apply it in qemu.git to keep diff to minimum.
There is nothing except pci-assign left in qemu-kvm (which will be
posted for upstream in a minute), so you are intuitively doing the right
thing.
Patch 2 looks good to me, see patch 1 for the clean procedure.
Jan
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 259 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [Qemu-devel] [PATCH for-1.2 1/2] linux-headers: update asm/kvm_para.h to 3.6
2012-08-26 15:59 ` Michael S. Tsirkin
@ 2012-08-27 6:22 ` Jan Kiszka
-1 siblings, 0 replies; 10+ messages in thread
From: Jan Kiszka @ 2012-08-27 6:22 UTC (permalink / raw
To: Michael S. Tsirkin; +Cc: gleb, kvm, mtosatti, qemu-devel, avi, Anthony Liguori
[-- Attachment #1: Type: text/plain, Size: 1558 bytes --]
On 2012-08-26 17:59, Michael S. Tsirkin wrote:
> Update asm-x96/kvm_para.h to version present in Linux 3.6.
Nope, we have update-linux-headers.sh for this. Just run it again
3.6-rcX, grab the result, and mention the source (release version or
kvm.git hash).
Jan
> This is needed for the new PV EOI feature.
>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> linux-headers/asm-x86/kvm_para.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/linux-headers/asm-x86/kvm_para.h b/linux-headers/asm-x86/kvm_para.h
> index f2ac46a..a1c3d72 100644
> --- a/linux-headers/asm-x86/kvm_para.h
> +++ b/linux-headers/asm-x86/kvm_para.h
> @@ -22,6 +22,7 @@
> #define KVM_FEATURE_CLOCKSOURCE2 3
> #define KVM_FEATURE_ASYNC_PF 4
> #define KVM_FEATURE_STEAL_TIME 5
> +#define KVM_FEATURE_PV_EOI 6
>
> /* The last 8 bits are used to indicate how to interpret the flags field
> * in pvclock structure. If no bits are set, all flags are ignored.
> @@ -37,6 +38,7 @@
> #define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
> #define MSR_KVM_ASYNC_PF_EN 0x4b564d02
> #define MSR_KVM_STEAL_TIME 0x4b564d03
> +#define MSR_KVM_PV_EOI_EN 0x4b564d04
>
> struct kvm_steal_time {
> __u64 steal;
> @@ -89,5 +91,10 @@ struct kvm_vcpu_pv_apf_data {
> __u32 enabled;
> };
>
> +#define KVM_PV_EOI_BIT 0
> +#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
> +#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
> +#define KVM_PV_EOI_DISABLED 0x0
> +
>
> #endif /* _ASM_X86_KVM_PARA_H */
>
[-- Attachment #2: OpenPGP digital signature --]
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^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH for-1.2 1/2] linux-headers: update asm/kvm_para.h to 3.6
@ 2012-08-27 6:22 ` Jan Kiszka
0 siblings, 0 replies; 10+ messages in thread
From: Jan Kiszka @ 2012-08-27 6:22 UTC (permalink / raw
To: Michael S. Tsirkin; +Cc: Anthony Liguori, avi, mtosatti, gleb, qemu-devel, kvm
[-- Attachment #1: Type: text/plain, Size: 1558 bytes --]
On 2012-08-26 17:59, Michael S. Tsirkin wrote:
> Update asm-x96/kvm_para.h to version present in Linux 3.6.
Nope, we have update-linux-headers.sh for this. Just run it again
3.6-rcX, grab the result, and mention the source (release version or
kvm.git hash).
Jan
> This is needed for the new PV EOI feature.
>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> linux-headers/asm-x86/kvm_para.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/linux-headers/asm-x86/kvm_para.h b/linux-headers/asm-x86/kvm_para.h
> index f2ac46a..a1c3d72 100644
> --- a/linux-headers/asm-x86/kvm_para.h
> +++ b/linux-headers/asm-x86/kvm_para.h
> @@ -22,6 +22,7 @@
> #define KVM_FEATURE_CLOCKSOURCE2 3
> #define KVM_FEATURE_ASYNC_PF 4
> #define KVM_FEATURE_STEAL_TIME 5
> +#define KVM_FEATURE_PV_EOI 6
>
> /* The last 8 bits are used to indicate how to interpret the flags field
> * in pvclock structure. If no bits are set, all flags are ignored.
> @@ -37,6 +38,7 @@
> #define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
> #define MSR_KVM_ASYNC_PF_EN 0x4b564d02
> #define MSR_KVM_STEAL_TIME 0x4b564d03
> +#define MSR_KVM_PV_EOI_EN 0x4b564d04
>
> struct kvm_steal_time {
> __u64 steal;
> @@ -89,5 +91,10 @@ struct kvm_vcpu_pv_apf_data {
> __u32 enabled;
> };
>
> +#define KVM_PV_EOI_BIT 0
> +#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
> +#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
> +#define KVM_PV_EOI_DISABLED 0x0
> +
>
> #endif /* _ASM_X86_KVM_PARA_H */
>
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^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2012-08-27 6:22 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-08-26 15:59 [Qemu-devel] [PATCH for-1.2 0/2] migrate PV EOI MSR Michael S. Tsirkin
2012-08-26 15:59 ` Michael S. Tsirkin
2012-08-26 15:59 ` [Qemu-devel] [PATCH for-1.2 1/2] linux-headers: update asm/kvm_para.h to 3.6 Michael S. Tsirkin
2012-08-26 15:59 ` Michael S. Tsirkin
2012-08-27 6:22 ` [Qemu-devel] " Jan Kiszka
2012-08-27 6:22 ` Jan Kiszka
2012-08-26 15:59 ` [Qemu-devel] [PATCH for-1.2 2/2] kvm: get/set PV EOI MSR Michael S. Tsirkin
2012-08-26 15:59 ` Michael S. Tsirkin
2012-08-27 6:20 ` [Qemu-devel] [PATCH for-1.2 0/2] migrate " Jan Kiszka
2012-08-27 6:20 ` Jan Kiszka
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