KVM: do not inject #PF in (read|write)_emulated() callbacks
Return error to x86 emulator instead of injection exception behind its back.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 777240d..b7e00cb 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -94,6 +94,7 @@
int (*read_emulated)(unsigned long addr,
void *val,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
/*
@@ -106,6 +107,7 @@
int (*write_emulated)(unsigned long addr,
const void *val,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
/*
@@ -120,6 +122,7 @@
const void *old,
const void *new,
unsigned int bytes,
+ unsigned int *error,
struct kvm_vcpu *vcpu);
int (*pio_in_emulated)(int size, unsigned short port, void *val,