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 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html