| Message ID | 1439923615-10600-4-git-send-email-peterhornyack@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Peter Hornyack <peterhornyack@google.com> writes: > msr_exits_supported will be checked when user space attempts to enable > the KVM_CAP_UNHANDLED_MSR_EXITS capability for the vm. This is needed > because MSR exit support will be implemented for vmx but not svm later > in this patchset. Is svm future work ? :) Are there any such svm msrs ? > Signed-off-by: Peter Hornyack <peterhornyack@google.com> > --- > arch/x86/include/asm/kvm_host.h | 1 + > arch/x86/kvm/svm.c | 6 ++++++ > arch/x86/kvm/vmx.c | 6 ++++++ > 3 files changed, 13 insertions(+) > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index c12e845f59e6..a6e145b1e271 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -854,6 +854,7 @@ struct kvm_x86_ops { > void (*handle_external_intr)(struct kvm_vcpu *vcpu); > bool (*mpx_supported)(void); > bool (*xsaves_supported)(void); > + bool (*msr_exits_supported)(void); > > int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); > > diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c > index 74d825716f4f..bcbb56f49b9f 100644 > --- a/arch/x86/kvm/svm.c > +++ b/arch/x86/kvm/svm.c > @@ -4249,6 +4249,11 @@ static bool svm_xsaves_supported(void) > return false; > } > > +static bool svm_msr_exits_supported(void) > +{ > + return false; > +} > + > static bool svm_has_wbinvd_exit(void) > { > return true; > @@ -4540,6 +4545,7 @@ static struct kvm_x86_ops svm_x86_ops = { > .invpcid_supported = svm_invpcid_supported, > .mpx_supported = svm_mpx_supported, > .xsaves_supported = svm_xsaves_supported, > + .msr_exits_supported = svm_msr_exits_supported, > > .set_supported_cpuid = svm_set_supported_cpuid, > > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c > index acc38e27d221..27fec385d79d 100644 > --- a/arch/x86/kvm/vmx.c > +++ b/arch/x86/kvm/vmx.c > @@ -8161,6 +8161,11 @@ static bool vmx_xsaves_supported(void) > SECONDARY_EXEC_XSAVES; > } > > +static bool vmx_msr_exits_supported(void) > +{ > + return false; > +} > + > static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx) > { > u32 exit_intr_info; > @@ -10413,6 +10418,7 @@ static struct kvm_x86_ops vmx_x86_ops = { > .handle_external_intr = vmx_handle_external_intr, > .mpx_supported = vmx_mpx_supported, > .xsaves_supported = vmx_xsaves_supported, > + .msr_exits_supported = vmx_msr_exits_supported, > > .check_nested_events = vmx_check_nested_events, -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index c12e845f59e6..a6e145b1e271 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -854,6 +854,7 @@ struct kvm_x86_ops { void (*handle_external_intr)(struct kvm_vcpu *vcpu); bool (*mpx_supported)(void); bool (*xsaves_supported)(void); + bool (*msr_exits_supported)(void); int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 74d825716f4f..bcbb56f49b9f 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4249,6 +4249,11 @@ static bool svm_xsaves_supported(void) return false; } +static bool svm_msr_exits_supported(void) +{ + return false; +} + static bool svm_has_wbinvd_exit(void) { return true; @@ -4540,6 +4545,7 @@ static struct kvm_x86_ops svm_x86_ops = { .invpcid_supported = svm_invpcid_supported, .mpx_supported = svm_mpx_supported, .xsaves_supported = svm_xsaves_supported, + .msr_exits_supported = svm_msr_exits_supported, .set_supported_cpuid = svm_set_supported_cpuid, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index acc38e27d221..27fec385d79d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8161,6 +8161,11 @@ static bool vmx_xsaves_supported(void) SECONDARY_EXEC_XSAVES; } +static bool vmx_msr_exits_supported(void) +{ + return false; +} + static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx) { u32 exit_intr_info; @@ -10413,6 +10418,7 @@ static struct kvm_x86_ops vmx_x86_ops = { .handle_external_intr = vmx_handle_external_intr, .mpx_supported = vmx_mpx_supported, .xsaves_supported = vmx_xsaves_supported, + .msr_exits_supported = vmx_msr_exits_supported, .check_nested_events = vmx_check_nested_events,
msr_exits_supported will be checked when user space attempts to enable the KVM_CAP_UNHANDLED_MSR_EXITS capability for the vm. This is needed because MSR exit support will be implemented for vmx but not svm later in this patchset. Signed-off-by: Peter Hornyack <peterhornyack@google.com> --- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/svm.c | 6 ++++++ arch/x86/kvm/vmx.c | 6 ++++++ 3 files changed, 13 insertions(+)