sched_in preempt notifier is available for x86, allow its use in specific virtualization technlogies as well.
Signed-off-by: Radim Krčmář <rkrc...@redhat.com> --- arch/x86/include/asm/kvm_host.h | 2 ++ arch/x86/kvm/svm.c | 6 ++++++ arch/x86/kvm/vmx.c | 6 ++++++ arch/x86/kvm/x86.c | 1 + 4 files changed, 15 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 5724601..358e2f3 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -772,6 +772,8 @@ struct kvm_x86_ops { bool (*mpx_supported)(void); int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); + + void (*sched_in)(struct kvm_vcpu *kvm, int cpu); }; struct kvm_arch_async_pf { diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ddf7427..4baf1bc 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4305,6 +4305,10 @@ static void svm_handle_external_intr(struct kvm_vcpu *vcpu) local_irq_enable(); } +static void svm_sched_in(struct kvm_vcpu *vcpu, int cpu) +{ +} + static struct kvm_x86_ops svm_x86_ops = { .cpu_has_kvm_support = has_svm, .disabled_by_bios = is_disabled, @@ -4406,6 +4410,8 @@ static struct kvm_x86_ops svm_x86_ops = { .check_intercept = svm_check_intercept, .handle_external_intr = svm_handle_external_intr, + + .sched_in = svm_sched_in, }; static int __init svm_init(void) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index bfe11cf..2b306f9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8846,6 +8846,10 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, return X86EMUL_CONTINUE; } +void vmx_sched_in(struct kvm_vcpu *vcpu, int cpu) +{ +} + static struct kvm_x86_ops vmx_x86_ops = { .cpu_has_kvm_support = cpu_has_kvm_support, .disabled_by_bios = vmx_disabled_by_bios, @@ -8951,6 +8955,8 @@ static struct kvm_x86_ops vmx_x86_ops = { .mpx_supported = vmx_mpx_supported, .check_nested_events = vmx_check_nested_events, + + .sched_in = vmx_sched_in, }; static int __init vmx_init(void) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d7c214f..5696ee7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7148,6 +7148,7 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) { + kvm_x86_ops->sched_in(vcpu, cpu); } int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html