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-rw-r--r--MdePkg/Library/BaseLib/Ia32/Mwait.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/Mwait.S b/MdePkg/Library/BaseLib/Ia32/Mwait.S
index fc776166ea..18a3717481 100644
--- a/MdePkg/Library/BaseLib/Ia32/Mwait.S
+++ b/MdePkg/Library/BaseLib/Ia32/Mwait.S
@@ -34,5 +34,5 @@ ASM_GLOBAL ASM_PFX(AsmMwait)
ASM_PFX(AsmMwait):
movl 4(%esp), %eax
movl 8(%esp), %ecx
- mwait %eax, %ecx # mwait
+ mwait
ret