diff mbox series

KVM: VMX: Modify the BUILD_BUG_ON_MSG of the 32-bit field in the vmcs_check16 function

Message ID 20240702064609.52487-1-liuq131@chinatelecom.cn (mailing list archive)
State New
Headers show
Series KVM: VMX: Modify the BUILD_BUG_ON_MSG of the 32-bit field in the vmcs_check16 function | expand

Commit Message

Qiang Liu July 2, 2024, 6:46 a.m. UTC 
According to the SDM, the meaning of field bit 0 is:
Access type (0 = full; 1 = high); must be full for 16-bit, 32-bit,
and natural-width fields. So there is no 32-bit high field here,
it should be a 32-bit field instead.

Signed-off-by: Qiang Liu <liuq131@chinatelecom.cn>
---
 arch/x86/kvm/vmx/vmx_ops.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/vmx_ops.h b/arch/x86/kvm/vmx/vmx_ops.h
index 8060e5fc6dbd..93e020dc88f6 100644
--- a/arch/x86/kvm/vmx/vmx_ops.h
+++ b/arch/x86/kvm/vmx/vmx_ops.h
@@ -47,7 +47,7 @@  static __always_inline void vmcs_check16(unsigned long field)
 	BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6001) == 0x2001,
 			 "16-bit accessor invalid for 64-bit high field");
 	BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x4000,
-			 "16-bit accessor invalid for 32-bit high field");
+			 "16-bit accessor invalid for 32-bit field");
 	BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x6000,
 			 "16-bit accessor invalid for natural width field");
 }