KVM: move complete_insn_gp() into x86.c

move the complete_insn_gp() helper function out of the VMX part
into the generic x86 part to make it usable by SVM.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index cb5cad2..cd4a990 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -828,4 +828,6 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
 bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
 extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
 
+void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
+
 #endif /* _ASM_X86_KVM_HOST_H */

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 8e87bae..fd8ffde 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3147,14 +3147,6 @@ vmx_patch_hypercall(struct kvm_vcpu *vcpu, unsigned char *hypercall)
        hypercall[2] = 0xc1;
 }
 
-static void complete_insn_gp(struct kvm_vcpu *vcpu, int err)
-{
-       if (err)
-               kvm_inject_gp(vcpu, 0);
-       else
-               skip_emulated_instruction(vcpu);
-}
-
 static int handle_cr(struct kvm_vcpu *vcpu)
 {
        unsigned long exit_qualification, val;
@@ -3172,21 +3164,21 @@ static int handle_cr(struct kvm_vcpu *vcpu)
                switch (cr) {
                case 0:
                        err = kvm_set_cr0(vcpu, val);
-                       complete_insn_gp(vcpu, err);
+                       kvm_complete_insn_gp(vcpu, err);
                        return 1;
                case 3:
                        err = kvm_set_cr3(vcpu, val);
-                       complete_insn_gp(vcpu, err);
+                       kvm_complete_insn_gp(vcpu, err);
                        return 1;
                case 4:
                        err = kvm_set_cr4(vcpu, val);
-                       complete_insn_gp(vcpu, err);
+                       kvm_complete_insn_gp(vcpu, err);
                        return 1;
                case 8: {
                                u8 cr8_prev = kvm_get_cr8(vcpu);
                                u8 cr8 = kvm_register_read(vcpu, reg);
                                err = kvm_set_cr8(vcpu, cr8);
-                               complete_insn_gp(vcpu, err);
+                               kvm_complete_insn_gp(vcpu, err);
                                if (irqchip_in_kernel(vcpu->kvm))
                                        return 1;
                                if (cr8_prev <= cr8)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2dbf68c..1d54cb7 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -334,6 +334,15 @@ void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr)
 }
 EXPORT_SYMBOL_GPL(kvm_requeue_exception);
 
+void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err)
+{
+       if (err)
+               kvm_inject_gp(vcpu, 0);
+       else
+               kvm_x86_ops->skip_emulated_instruction(vcpu);
+}
+EXPORT_SYMBOL_GPL(kvm_complete_insn_gp);
+
 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault)
 {
        ++vcpu->stat.pf_guest;