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Diffstat (limited to 'OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm')
-rw-r--r--OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm3
1 files changed, 1 insertions, 2 deletions
diff --git a/OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm b/OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm
index 38ac549..a4859a6 100644
--- a/OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm
+++ b/OvmfPkg/XenBusDxe/X64/TestAndClearBit.nasm
@@ -9,8 +9,7 @@ SECTION .text
; );
global ASM_PFX(TestAndClearBit)
ASM_PFX(TestAndClearBit):
- lock
- btr [rdx], ecx
+ lock btr [rdx], ecx
sbb eax, eax
ret