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| author | Avi Kivity <avi@redhat.com> | 2011-11-10 14:57:25 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-12-27 11:24:38 +0200 |
| commit | fee84b079d5ddee2247b5c1f53162c330c622902 (patch) | |
| tree | 091712c442320a60223e99543fb19f932f841dfe /arch/x86/kvm | |
| parent | 332b56e4841ef62db4dbf1b4b92195575e1c7338 (diff) | |
| download | linux-stable-fee84b079d5ddee2247b5c1f53162c330c622902.tar.gz linux-stable-fee84b079d5ddee2247b5c1f53162c330c622902.tar.bz2 linux-stable-fee84b079d5ddee2247b5c1f53162c330c622902.zip | |
KVM: VMX: Intercept RDPMC
Intercept RDPMC and forward it to the PMU emulation code.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 4ceced2669ef..906a7e84200f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1956,6 +1956,7 @@ static __init void nested_vmx_setup_ctls_msrs(void) #endif CPU_BASED_MOV_DR_EXITING | CPU_BASED_UNCOND_IO_EXITING | CPU_BASED_USE_IO_BITMAPS | CPU_BASED_MONITOR_EXITING | + CPU_BASED_RDPMC_EXITING | CPU_BASED_ACTIVATE_SECONDARY_CONTROLS; /* * We can allow some features even when not supported by the @@ -2410,7 +2411,8 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) CPU_BASED_USE_TSC_OFFSETING | CPU_BASED_MWAIT_EXITING | CPU_BASED_MONITOR_EXITING | - CPU_BASED_INVLPG_EXITING; + CPU_BASED_INVLPG_EXITING | + CPU_BASED_RDPMC_EXITING; if (yield_on_hlt) min |= CPU_BASED_HLT_EXITING; @@ -4613,6 +4615,16 @@ static int handle_invlpg(struct kvm_vcpu *vcpu) return 1; } +static int handle_rdpmc(struct kvm_vcpu *vcpu) +{ + int err; + + err = kvm_rdpmc(vcpu); + kvm_complete_insn_gp(vcpu, err); + + return 1; +} + static int handle_wbinvd(struct kvm_vcpu *vcpu) { skip_emulated_instruction(vcpu); @@ -5563,6 +5575,7 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = { [EXIT_REASON_HLT] = handle_halt, [EXIT_REASON_INVD] = handle_invd, [EXIT_REASON_INVLPG] = handle_invlpg, + [EXIT_REASON_RDPMC] = handle_rdpmc, [EXIT_REASON_VMCALL] = handle_vmcall, [EXIT_REASON_VMCLEAR] = handle_vmclear, [EXIT_REASON_VMLAUNCH] = handle_vmlaunch, |