diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-19 11:40:18 +0200 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-07-18 15:51:06 +0200 |
| commit | d964adc84e6398b37d5659f4a5d12f303a128bd9 (patch) | |
| tree | 6e1a164719d78bc6fc5c68b47d2f5589f30c024c /arch | |
| parent | 35d3871e7ca540c0861bf3ef7e2085594c0aa3ce (diff) | |
KVM: x86: preserve the high 32-bits of the PAT register
commit 7cb060a91c0efc5ff94f83c6df3ed705e143cdb9 upstream.
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>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'arch')
| -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 792206c8e555..694851592399 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -455,7 +455,7 @@ struct kvm_vcpu_arch { bool nmi_injected; /* Trying to inject an NMI this entry */ struct mtrr_state_type mtrr_state; - u32 pat; + u64 pat; int switch_db_regs; unsigned long db[KVM_NR_DB_REGS]; |