KVM: x86: Push potential exception error code on task switches
When a fault triggers a task switch, the error code, if existent, has to
be pushed on the new task's stack. Implement the missing bits.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index a1319c8..0b2729b 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -230,6 +230,7 @@
struct x86_emulate_ops *ops);
int emulator_task_switch(struct x86_emulate_ctxt *ctxt,
struct x86_emulate_ops *ops,
- u16 tss_selector, int reason);
+ u16 tss_selector, int reason,
+ bool has_error_code, u32 error_code);
#endif /* _ASM_X86_KVM_X86_EMULATE_H */