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| author | Alexander Graf <agraf@suse.de> | 2008-11-25 20:17:05 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 11:02:46 +0200 |
| commit | b286d5d8b0836e76832dafcc5a18b0e8e5a3bc5e (patch) | |
| tree | 5512694ea51b5d435b81763019f3c2c61d6a6b21 /arch/x86/kvm/x86.c | |
| parent | 1371d90460189d02bf1bcca19dbfe6bd10dc6031 (diff) | |
| download | lwn-b286d5d8b0836e76832dafcc5a18b0e8e5a3bc5e.tar.gz lwn-b286d5d8b0836e76832dafcc5a18b0e8e5a3bc5e.zip | |
KVM: SVM: Implement hsave
Implement the hsave MSR, that gives the VCPU a GPA to save the
old guest state in.
v2 allows userspace to save/restore hsave
v4 dummys out the hsave MSR, so we use a host page
v6 remembers the guest's hsave and exports the MSR
Acked-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 758b7a155ae9..99165a961f08 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -456,7 +456,7 @@ static u32 msrs_to_save[] = { MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif MSR_IA32_TIME_STAMP_COUNTER, MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK, - MSR_IA32_PERF_STATUS, MSR_IA32_CR_PAT + MSR_IA32_PERF_STATUS, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA }; static unsigned num_msrs_to_save; |