diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-19 11:40:18 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-19 13:43:44 +0200 |
| commit | 7cb060a91c0efc5ff94f83c6df3ed705e143cdb9 (patch) | |
| tree | 269866b5fda9a8f0194441af4bbf8c666138fc0d /arch/x86 | |
| parent | e1fa108d24697b78348fd4e5a531029a50d0d36d (diff) | |
KVM: x86: preserve the high 32-bits of the PAT register
KVM does not really do much with the PAT, so this went unnoticed for a
long time. It is exposed however if you try to do rdmsr on the PAT
register.
Reported-by: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 0bab29de7f1b..49205d01b9ad 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -461,7 +461,7 @@ struct kvm_vcpu_arch { bool nmi_injected; /* Trying to inject an NMI this entry */ struct mtrr_state_type mtrr_state; - u32 pat; + u64 pat; unsigned switch_db_regs; unsigned long db[KVM_NR_DB_REGS]; |