2023-07-18 14:03:19

by Zeng Guang

[permalink] [raw]
Subject: [PATCH v2 3/8] KVM: x86: Add an emulation flag for implicit system access

From: Binbin Wu <[email protected]>

Add an emulation flag X86EMUL_F_IMPLICIT to identify the behavior of
implicit system access in instruction emulation.

Signed-off-by: Binbin Wu <[email protected]>
Signed-off-by: Zeng Guang <[email protected]>
---
arch/x86/kvm/kvm_emulate.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/kvm_emulate.h b/arch/x86/kvm/kvm_emulate.h
index 9fc7d34a4ac1..c0e48f4fa7c4 100644
--- a/arch/x86/kvm/kvm_emulate.h
+++ b/arch/x86/kvm/kvm_emulate.h
@@ -92,6 +92,7 @@ struct x86_instruction_info {
#define X86EMUL_F_WRITE BIT(0)
#define X86EMUL_F_FETCH BIT(1)
#define X86EMUL_F_BRANCH BIT(2)
+#define X86EMUL_F_IMPLICIT BIT(3)

struct x86_emulate_ops {
void (*vm_bugged)(struct x86_emulate_ctxt *ctxt);
--
2.27.0