This patch adds pi_clear_sn and pi_set_sn to struct kvm_x86_ops,
so we can set/clear SN outside vmx.
Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 3 +++
arch/x86/kvm/vmx.c | 13 +++++++++++++
2 files changed, 16 insertions(+)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9b45b78..cd4b174 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -773,6 +773,9 @@ struct kvm_x86_ops {
void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
u64 (*get_pi_desc_addr)(struct kvm_vcpu *vcpu);
+
+ void (*pi_clear_sn)(struct kvm_vcpu *vcpu);
+ void (*pi_set_sn)(struct kvm_vcpu *vcpu);
};
struct kvm_arch_async_pf {
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 81f239b..ee3b735 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -567,6 +567,16 @@ struct pi_desc *vcpu_to_pi_desc(struct kvm_vcpu *vcpu)
return &(to_vmx(vcpu)->pi_desc);
}
+static void vmx_pi_clear_sn(struct kvm_vcpu *vcpu)
+{
+ pi_clear_sn(vcpu_to_pi_desc(vcpu));
+}
+
+static void vmx_pi_set_sn(struct kvm_vcpu *vcpu)
+{
+ pi_set_sn(vcpu_to_pi_desc(vcpu));
+}
+
#define VMCS12_OFFSET(x) offsetof(struct vmcs12, x)
#define FIELD(number, name) [number] = VMCS12_OFFSET(name)
#define FIELD64(number, name) [number] = VMCS12_OFFSET(name), \
@@ -9256,6 +9266,9 @@ static struct kvm_x86_ops vmx_x86_ops = {
.sched_in = vmx_sched_in,
.get_pi_desc_addr = vmx_get_pi_desc_addr,
+
+ .pi_clear_sn = vmx_pi_clear_sn,
+ .pi_set_sn = vmx_pi_set_sn,
};
static int __init vmx_init(void)
--
1.9.1
--
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