* [PATCH] KVM: x86: list MSR_IA32_UCODE_REV as an emulated MSR
@ 2020-01-21 13:48 Paolo Bonzini
0 siblings, 0 replies; 2+ messages in thread
From: Paolo Bonzini @ 2020-01-21 13:48 UTC (permalink / raw)
To: linux-kernel, kvm
Even if it's read-only, it can still be written to by userspace. Let
them know by adding it to KVM_GET_MSR_INDEX_LIST.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/x86.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3e70af42f65b..9f24f5d16854 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1228,6 +1228,7 @@ bool kvm_rdpmc(struct kvm_vcpu *vcpu)
MSR_MISC_FEATURES_ENABLES,
MSR_AMD64_VIRT_SPEC_CTRL,
MSR_IA32_POWER_CTL,
+ MSR_IA32_UCODE_REV,
/*
* The following list leaves out MSRs whose values are determined
--
1.8.3.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] KVM: x86: list MSR_IA32_UCODE_REV as an emulated MSR
@ 2020-01-22 2:35 linmiaohe
0 siblings, 0 replies; 2+ messages in thread
From: linmiaohe @ 2020-01-22 2:35 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: linux-kernel, kvm
Hi:
Paolo Bonzini <pbonzini@redhat.com> wrote:
>Even if it's read-only, it can still be written to by userspace. Let them know by adding it to KVM_GET_MSR_INDEX_LIST.
>
>Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This make sense for me. Thanks!
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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