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| author |   Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2019-12-06 15:36:12 +0000 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2020-01-30 18:45:55 +0100 |
| commit | a6bd811f1209fe1c64c9f6fd578101d6436c6b6e (patch) | |
| tree | a03422951a08c65df3fc51e92d9e02b8c396b9bc /arch/x86/include/asm | |
| parent | x86/KVM: Make sure KVM_VCPU_FLUSH_TLB flag is not missed (diff) | |
| download | linux-dev-a6bd811f1209fe1c64c9f6fd578101d6436c6b6e.tar.xz linux-dev-a6bd811f1209fe1c64c9f6fd578101d6436c6b6e.zip | |
x86/KVM: Clean up host's steal time structure
Now that we are mapping kvm_steal_time from the guest directly we
don't need keep a copy of it in kvm_vcpu_arch.st. The same is true
for the stime field.
This is part of CVE-2019-3016.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index f48a306e1d66..4925bdbfb516 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -685,10 +685,9 @@ struct kvm_vcpu_arch { bool pvclock_set_guest_stopped_request; struct { + u8 preempted; u64 msr_val; u64 last_steal; - struct gfn_to_hva_cache stime; - struct kvm_steal_time steal; struct gfn_to_pfn_cache cache; } st; |