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authorPaolo Bonzini <pbonzini@redhat.com>2014-06-19 11:40:18 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-06-19 13:43:44 +0200
commit7cb060a91c0efc5ff94f83c6df3ed705e143cdb9 (patch)
tree269866b5fda9a8f0194441af4bbf8c666138fc0d
parente1fa108d24697b78348fd4e5a531029a50d0d36d (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>
-rw-r--r--arch/x86/include/asm/kvm_host.h2
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 0bab29de7f1..49205d01b9a 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];