* [PATCH v3 0/3] Add KVM support for Intel local MCE
@ 2016-06-22 6:59 Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx Haozhong Zhang
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Haozhong Zhang @ 2016-06-22 6:59 UTC (permalink / raw)
To: kvm
Cc: Paolo Bonzini, rkrcmar, Thomas Gleixner, Ingo Molnar,
H . Peter Anvin, x86, linux-kernel, Gleb Natapov, Boris Petkov,
Tony Luck, Andi Kleen, Ashok Raj, Haozhong Zhang
Changes in v3:
* Make guest MSR_IA32_FEATURE_CONTROL always available (Paolo
Bonzini) and remove the nested vmx check in the 'get' case in patch
1 (Borislav Petkov).
* Always mark the locked bit of MSR_IA32_FEATURE_CONTROL
valid. (Paolo Bonzini)
* Remove the now unnecessary macros to set
msr_ia32_feature_control_valid_bits. (Paolo Bonzini)
* Remove the unnecessary check of MCG_LMCE_P in v2
vmx_mcg_ext_ctl_msr_present() and inline the remaining part. (Paolo
Bonzini)
Changes in v2:
* v1 Patch 1 becomes v2 Patch 3.
* Fix COB chain in Patch 3. (Boris Petkov)
* (Patch 1) Move msr_ia32_feature_control from nested_vmx to
vcpu_vmx, because it does not depend only on nested after this
patch series. (Radim Krčmář)
* (Patch 2) Add a valid bitmask for MSR_IA32_FEATURE_CONTROL to allow
checking individual bits of MSR_IA32_FEATURE_CONTROL according to
enabled features. (Radim Krčmář)
* Move the common check in handling MSR_IA32_MCG_EXT_CTL to function
vmx_mcg_ext_ctl_msr_present. (Radim Krčmář)
Changes in v1:
* Change macro KVM_MCE_CAP_SUPPORTED to variable kvm_mce_cap_supported.
* Include LMCE capability in kvm_mce_cap_supported only on Intel CPU,
i.e. LMCE can be enabled only on Intel CPU.
* Check if LMCE is enabled in guest MSR_IA32_FEATURE_CONTROL when
handling guest access to MSR_IA32_MCG_EXT_CTL.
This patch series along with the corresponding QEMU patch series (sent
via another email with title "[PATCH v5 0/4] Add QEMU support for
Intel local MCE") enables Intel local MCE feature for guest. This KVM
patch handles guest access to LMCE-related MSR (MSR_IA32_MCG_EXT_CTL
and MSR_IA32_FEATURE_CONTROL).
Ashok Raj (1):
KVM: VMX: enable guest access to LMCE related MSRs
Haozhong Zhang (2):
KVM: VMX: move msr_ia32_feature_control to vcpu_vmx
KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL
arch/x86/include/asm/kvm_host.h | 5 +++
arch/x86/kvm/vmx.c | 67 ++++++++++++++++++++++++++++++++++++-----
arch/x86/kvm/x86.c | 15 +++++----
3 files changed, 73 insertions(+), 14 deletions(-)
--
2.9.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx
2016-06-22 6:59 [PATCH v3 0/3] Add KVM support for Intel local MCE Haozhong Zhang
@ 2016-06-22 6:59 ` Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 2/3] KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL Haozhong Zhang
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Haozhong Zhang @ 2016-06-22 6:59 UTC (permalink / raw)
To: kvm
Cc: Paolo Bonzini, rkrcmar, Thomas Gleixner, Ingo Molnar,
H . Peter Anvin, x86, linux-kernel, Gleb Natapov, Boris Petkov,
Tony Luck, Andi Kleen, Ashok Raj, Haozhong Zhang
msr_ia32_feature_control will be used for LMCE and not depend only on
nested anymore, so move it from struct nested_vmx to struct vcpu_vmx.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
---
arch/x86/kvm/vmx.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e185649..ad66978 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -428,7 +428,6 @@ struct nested_vmx {
struct pi_desc *pi_desc;
bool pi_pending;
u16 posted_intr_nv;
- u64 msr_ia32_feature_control;
struct hrtimer preemption_timer;
bool preemption_timer_expired;
@@ -612,6 +611,8 @@ struct vcpu_vmx {
bool guest_pkru_valid;
u32 guest_pkru;
u32 host_pkru;
+
+ u64 msr_ia32_feature_control;
};
enum segment_cache_field {
@@ -2970,9 +2971,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = vmcs_read64(GUEST_BNDCFGS);
break;
case MSR_IA32_FEATURE_CONTROL:
- if (!nested_vmx_allowed(vcpu))
- return 1;
- msr_info->data = to_vmx(vcpu)->nested.msr_ia32_feature_control;
+ msr_info->data = to_vmx(vcpu)->msr_ia32_feature_control;
break;
case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
if (!nested_vmx_allowed(vcpu))
@@ -3064,10 +3063,10 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
break;
case MSR_IA32_FEATURE_CONTROL:
if (!nested_vmx_allowed(vcpu) ||
- (to_vmx(vcpu)->nested.msr_ia32_feature_control &
+ (to_vmx(vcpu)->msr_ia32_feature_control &
FEATURE_CONTROL_LOCKED && !msr_info->host_initiated))
return 1;
- vmx->nested.msr_ia32_feature_control = data;
+ vmx->msr_ia32_feature_control = data;
if (msr_info->host_initiated && data == 0)
vmx_leave_nested(vcpu);
break;
@@ -6939,7 +6938,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
return 1;
}
- if ((vmx->nested.msr_ia32_feature_control & VMXON_NEEDED_FEATURES)
+ if ((vmx->msr_ia32_feature_control & VMXON_NEEDED_FEATURES)
!= VMXON_NEEDED_FEATURES) {
kvm_inject_gp(vcpu, 0);
return 1;
--
2.9.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 2/3] KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL
2016-06-22 6:59 [PATCH v3 0/3] Add KVM support for Intel local MCE Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx Haozhong Zhang
@ 2016-06-22 6:59 ` Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 3/3] KVM: VMX: enable guest access to LMCE related MSRs Haozhong Zhang
2016-06-22 8:41 ` [PATCH v3 0/3] Add KVM support for Intel local MCE Paolo Bonzini
3 siblings, 0 replies; 5+ messages in thread
From: Haozhong Zhang @ 2016-06-22 6:59 UTC (permalink / raw)
To: kvm
Cc: Paolo Bonzini, rkrcmar, Thomas Gleixner, Ingo Molnar,
H . Peter Anvin, x86, linux-kernel, Gleb Natapov, Boris Petkov,
Tony Luck, Andi Kleen, Ashok Raj, Haozhong Zhang
KVM currently does not check the value written to guest
MSR_IA32_FEATURE_CONTROL, though bits corresponding to disabled features
may be set. This patch makes KVM to validate individual bits written to
guest MSR_IA32_FEATURE_CONTROL according to enabled features.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
---
arch/x86/kvm/vmx.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ad66978..0a3ccb0 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -612,7 +612,13 @@ struct vcpu_vmx {
u32 guest_pkru;
u32 host_pkru;
+ /*
+ * Only bits masked by msr_ia32_feature_control_valid_bits can be set in
+ * msr_ia32_feature_control. FEATURE_CONTROL_LOCKED is always included
+ * in msr_ia32_feature_control_valid_bits.
+ */
u64 msr_ia32_feature_control;
+ u64 msr_ia32_feature_control_valid_bits;
};
enum segment_cache_field {
@@ -2929,6 +2935,14 @@ static int vmx_get_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
return 0;
}
+static inline bool vmx_feature_control_msr_valid(struct kvm_vcpu *vcpu,
+ uint64_t val)
+{
+ uint64_t valid_bits = to_vmx(vcpu)->msr_ia32_feature_control_valid_bits;
+
+ return !(val & ~valid_bits);
+}
+
/*
* Reads an msr value (of 'msr_index') into 'pdata'.
* Returns 0 on success, non-0 otherwise.
@@ -3062,7 +3076,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
ret = kvm_set_msr_common(vcpu, msr_info);
break;
case MSR_IA32_FEATURE_CONTROL:
- if (!nested_vmx_allowed(vcpu) ||
+ if (!vmx_feature_control_msr_valid(vcpu, data) ||
(to_vmx(vcpu)->msr_ia32_feature_control &
FEATURE_CONTROL_LOCKED && !msr_info->host_initiated))
return 1;
@@ -9055,6 +9069,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
goto free_vmcs;
}
+ vmx->msr_ia32_feature_control_valid_bits = FEATURE_CONTROL_LOCKED;
+
return &vmx->vcpu;
free_vmcs:
@@ -9202,6 +9218,13 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
vmx->nested.nested_vmx_secondary_ctls_high &=
~SECONDARY_EXEC_PCOMMIT;
}
+
+ if (nested_vmx_allowed(vcpu))
+ to_vmx(vcpu)->msr_ia32_feature_control_valid_bits |=
+ FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
+ else
+ to_vmx(vcpu)->msr_ia32_feature_control_valid_bits &=
+ ~FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
}
static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
--
2.9.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 3/3] KVM: VMX: enable guest access to LMCE related MSRs
2016-06-22 6:59 [PATCH v3 0/3] Add KVM support for Intel local MCE Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 2/3] KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL Haozhong Zhang
@ 2016-06-22 6:59 ` Haozhong Zhang
2016-06-22 8:41 ` [PATCH v3 0/3] Add KVM support for Intel local MCE Paolo Bonzini
3 siblings, 0 replies; 5+ messages in thread
From: Haozhong Zhang @ 2016-06-22 6:59 UTC (permalink / raw)
To: kvm
Cc: Paolo Bonzini, rkrcmar, Thomas Gleixner, Ingo Molnar,
H . Peter Anvin, x86, linux-kernel, Gleb Natapov, Boris Petkov,
Tony Luck, Andi Kleen, Ashok Raj, Haozhong Zhang
From: Ashok Raj <ashok.raj@intel.com>
On Intel platforms, this patch adds LMCE to KVM MCE supported
capabilities and handles guest access to LMCE related MSRs.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
[Haozhong: macro KVM_MCE_CAP_SUPPORTED => variable kvm_mce_cap_supported
Only enable LMCE on Intel platform
Check MSR_IA32_FEATURE_CONTROL when handling guest
access to MSR_IA32_MCG_EXT_CTL]
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
---
arch/x86/include/asm/kvm_host.h | 5 +++++
arch/x86/kvm/vmx.c | 29 +++++++++++++++++++++++++++++
arch/x86/kvm/x86.c | 15 +++++++++------
3 files changed, 43 insertions(+), 6 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 360c517..7a628fb 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -598,6 +598,7 @@ struct kvm_vcpu_arch {
u64 mcg_cap;
u64 mcg_status;
u64 mcg_ctl;
+ u64 mcg_ext_ctl;
u64 *mce_banks;
/* Cache MMIO info */
@@ -1008,6 +1009,8 @@ struct kvm_x86_ops {
int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc);
void (*cancel_hv_timer)(struct kvm_vcpu *vcpu);
+
+ void (*setup_mce)(struct kvm_vcpu *vcpu);
};
struct kvm_arch_async_pf {
@@ -1082,6 +1085,8 @@ extern u64 kvm_max_tsc_scaling_ratio;
/* 1ull << kvm_tsc_scaling_ratio_frac_bits */
extern u64 kvm_default_tsc_scaling_ratio;
+extern u64 kvm_mce_cap_supported;
+
enum emulation_result {
EMULATE_DONE, /* no further processing */
EMULATE_USER_EXIT, /* kvm_run ready for userspace exit */
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0a3ccb0..943609f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2984,6 +2984,13 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
return 1;
msr_info->data = vmcs_read64(GUEST_BNDCFGS);
break;
+ case MSR_IA32_MCG_EXT_CTL:
+ if (!msr_info->host_initiated &&
+ !(to_vmx(vcpu)->msr_ia32_feature_control &
+ FEATURE_CONTROL_LMCE))
+ return 1;
+ msr_info->data = vcpu->arch.mcg_ext_ctl;
+ break;
case MSR_IA32_FEATURE_CONTROL:
msr_info->data = to_vmx(vcpu)->msr_ia32_feature_control;
break;
@@ -3075,6 +3082,14 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_IA32_TSC_ADJUST:
ret = kvm_set_msr_common(vcpu, msr_info);
break;
+ case MSR_IA32_MCG_EXT_CTL:
+ if ((!msr_info->host_initiated &&
+ !(to_vmx(vcpu)->msr_ia32_feature_control &
+ FEATURE_CONTROL_LMCE)) ||
+ (data & ~MCG_EXT_CTL_LMCE_EN))
+ return 1;
+ vcpu->arch.mcg_ext_ctl = data;
+ break;
case MSR_IA32_FEATURE_CONTROL:
if (!vmx_feature_control_msr_valid(vcpu, data) ||
(to_vmx(vcpu)->msr_ia32_feature_control &
@@ -6484,6 +6499,8 @@ static __init int hardware_setup(void)
kvm_set_posted_intr_wakeup_handler(wakeup_handler);
+ kvm_mce_cap_supported |= MCG_LMCE_P;
+
return alloc_kvm_area();
out8:
@@ -11109,6 +11126,16 @@ out:
return ret;
}
+static void vmx_setup_mce(struct kvm_vcpu *vcpu)
+{
+ if (vcpu->arch.mcg_cap & MCG_LMCE_P)
+ to_vmx(vcpu)->msr_ia32_feature_control_valid_bits |=
+ FEATURE_CONTROL_LMCE;
+ else
+ to_vmx(vcpu)->msr_ia32_feature_control_valid_bits &=
+ ~FEATURE_CONTROL_LMCE;
+}
+
static struct kvm_x86_ops vmx_x86_ops = {
.cpu_has_kvm_support = cpu_has_kvm_support,
.disabled_by_bios = vmx_disabled_by_bios,
@@ -11238,6 +11265,8 @@ static struct kvm_x86_ops vmx_x86_ops = {
.set_hv_timer = vmx_set_hv_timer,
.cancel_hv_timer = vmx_cancel_hv_timer,
#endif
+
+ .setup_mce = vmx_setup_mce,
};
static int __init vmx_init(void)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2992196..0a42fc7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -70,7 +70,8 @@
#define MAX_IO_MSRS 256
#define KVM_MAX_MCE_BANKS 32
-#define KVM_MCE_CAP_SUPPORTED (MCG_CTL_P | MCG_SER_P)
+u64 __read_mostly kvm_mce_cap_supported = MCG_CTL_P | MCG_SER_P;
+EXPORT_SYMBOL_GPL(kvm_mce_cap_supported);
#define emul_to_vcpu(ctxt) \
container_of(ctxt, struct kvm_vcpu, arch.emulate_ctxt)
@@ -984,6 +985,7 @@ static u32 emulated_msrs[] = {
MSR_IA32_MISC_ENABLE,
MSR_IA32_MCG_STATUS,
MSR_IA32_MCG_CTL,
+ MSR_IA32_MCG_EXT_CTL,
MSR_IA32_SMBASE,
};
@@ -2685,11 +2687,9 @@ long kvm_arch_dev_ioctl(struct file *filp,
break;
}
case KVM_X86_GET_MCE_CAP_SUPPORTED: {
- u64 mce_cap;
-
- mce_cap = KVM_MCE_CAP_SUPPORTED;
r = -EFAULT;
- if (copy_to_user(argp, &mce_cap, sizeof mce_cap))
+ if (copy_to_user(argp, &kvm_mce_cap_supported,
+ sizeof(kvm_mce_cap_supported)))
goto out;
r = 0;
break;
@@ -2872,7 +2872,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
r = -EINVAL;
if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
goto out;
- if (mcg_cap & ~(KVM_MCE_CAP_SUPPORTED | 0xff | 0xff0000))
+ if (mcg_cap & ~(kvm_mce_cap_supported | 0xff | 0xff0000))
goto out;
r = 0;
vcpu->arch.mcg_cap = mcg_cap;
@@ -2882,6 +2882,9 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
/* Init IA32_MCi_CTL to all 1s */
for (bank = 0; bank < bank_num; bank++)
vcpu->arch.mce_banks[bank*4] = ~(u64)0;
+
+ if (kvm_x86_ops->setup_mce)
+ kvm_x86_ops->setup_mce(vcpu);
out:
return r;
}
--
2.9.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v3 0/3] Add KVM support for Intel local MCE
2016-06-22 6:59 [PATCH v3 0/3] Add KVM support for Intel local MCE Haozhong Zhang
` (2 preceding siblings ...)
2016-06-22 6:59 ` [PATCH v3 3/3] KVM: VMX: enable guest access to LMCE related MSRs Haozhong Zhang
@ 2016-06-22 8:41 ` Paolo Bonzini
3 siblings, 0 replies; 5+ messages in thread
From: Paolo Bonzini @ 2016-06-22 8:41 UTC (permalink / raw)
To: Haozhong Zhang, kvm
Cc: rkrcmar, Thomas Gleixner, Ingo Molnar, H . Peter Anvin, x86,
linux-kernel, Gleb Natapov, Boris Petkov, Tony Luck, Andi Kleen,
Ashok Raj
On 22/06/2016 08:59, Haozhong Zhang wrote:
> Changes in v3:
> * Make guest MSR_IA32_FEATURE_CONTROL always available (Paolo
> Bonzini) and remove the nested vmx check in the 'get' case in patch
> 1 (Borislav Petkov).
> * Always mark the locked bit of MSR_IA32_FEATURE_CONTROL
> valid. (Paolo Bonzini)
> * Remove the now unnecessary macros to set
> msr_ia32_feature_control_valid_bits. (Paolo Bonzini)
> * Remove the unnecessary check of MCG_LMCE_P in v2
> vmx_mcg_ext_ctl_msr_present() and inline the remaining part. (Paolo
> Bonzini)
>
> Changes in v2:
> * v1 Patch 1 becomes v2 Patch 3.
> * Fix COB chain in Patch 3. (Boris Petkov)
> * (Patch 1) Move msr_ia32_feature_control from nested_vmx to
> vcpu_vmx, because it does not depend only on nested after this
> patch series. (Radim Krčmář)
> * (Patch 2) Add a valid bitmask for MSR_IA32_FEATURE_CONTROL to allow
> checking individual bits of MSR_IA32_FEATURE_CONTROL according to
> enabled features. (Radim Krčmář)
> * Move the common check in handling MSR_IA32_MCG_EXT_CTL to function
> vmx_mcg_ext_ctl_msr_present. (Radim Krčmář)
>
> Changes in v1:
> * Change macro KVM_MCE_CAP_SUPPORTED to variable kvm_mce_cap_supported.
> * Include LMCE capability in kvm_mce_cap_supported only on Intel CPU,
> i.e. LMCE can be enabled only on Intel CPU.
> * Check if LMCE is enabled in guest MSR_IA32_FEATURE_CONTROL when
> handling guest access to MSR_IA32_MCG_EXT_CTL.
>
> This patch series along with the corresponding QEMU patch series (sent
> via another email with title "[PATCH v5 0/4] Add QEMU support for
> Intel local MCE") enables Intel local MCE feature for guest. This KVM
> patch handles guest access to LMCE-related MSR (MSR_IA32_MCG_EXT_CTL
> and MSR_IA32_FEATURE_CONTROL).
>
> Ashok Raj (1):
> KVM: VMX: enable guest access to LMCE related MSRs
>
> Haozhong Zhang (2):
> KVM: VMX: move msr_ia32_feature_control to vcpu_vmx
> KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL
>
> arch/x86/include/asm/kvm_host.h | 5 +++
> arch/x86/kvm/vmx.c | 67 ++++++++++++++++++++++++++++++++++++-----
> arch/x86/kvm/x86.c | 15 +++++----
> 3 files changed, 73 insertions(+), 14 deletions(-)
>
Thanks, these look good and I'm applying them to kvm/queue.
Paolo
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2016-06-22 8:43 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-06-22 6:59 [PATCH v3 0/3] Add KVM support for Intel local MCE Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 2/3] KVM: VMX: validate individual bits of guest MSR_IA32_FEATURE_CONTROL Haozhong Zhang
2016-06-22 6:59 ` [PATCH v3 3/3] KVM: VMX: enable guest access to LMCE related MSRs Haozhong Zhang
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