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| author | Takashi Iwai <tiwai@suse.de> | 2012-01-31 18:13:14 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-01-31 18:13:14 +0400 |
| commit | ea51e5040e24eefe44d70bc654a237ca1f0225b0 (patch) | |
| tree | df2e5922dcdfafae62a10d8cd97f98121064fc23 /arch/x86/kvm/svm.c | |
| parent | 3422a47041b8cb8f14ac1e3926bcf711121df6dc (diff) | |
| parent | 8dbd52daee38adaae4d5a674bcca837e694a4f4c (diff) | |
| download | linux-ea51e5040e24eefe44d70bc654a237ca1f0225b0.tar.xz | |
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index e32243eac2f4..5fa553babe56 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1014,6 +1014,7 @@ static void init_vmcb(struct vcpu_svm *svm) set_intercept(svm, INTERCEPT_NMI); set_intercept(svm, INTERCEPT_SMI); set_intercept(svm, INTERCEPT_SELECTIVE_CR0); + set_intercept(svm, INTERCEPT_RDPMC); set_intercept(svm, INTERCEPT_CPUID); set_intercept(svm, INTERCEPT_INVD); set_intercept(svm, INTERCEPT_HLT); @@ -2770,6 +2771,19 @@ static int emulate_on_interception(struct vcpu_svm *svm) return emulate_instruction(&svm->vcpu, 0) == EMULATE_DONE; } +static int rdpmc_interception(struct vcpu_svm *svm) +{ + int err; + + if (!static_cpu_has(X86_FEATURE_NRIPS)) + return emulate_on_interception(svm); + + err = kvm_rdpmc(&svm->vcpu); + kvm_complete_insn_gp(&svm->vcpu, err); + + return 1; +} + bool check_selective_cr0_intercepted(struct vcpu_svm *svm, unsigned long val) { unsigned long cr0 = svm->vcpu.arch.cr0; @@ -3190,6 +3204,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = { [SVM_EXIT_SMI] = nop_on_interception, [SVM_EXIT_INIT] = nop_on_interception, [SVM_EXIT_VINTR] = interrupt_window_interception, + [SVM_EXIT_RDPMC] = rdpmc_interception, [SVM_EXIT_CPUID] = cpuid_interception, [SVM_EXIT_IRET] = iret_interception, [SVM_EXIT_INVD] = emulate_on_interception, |