diff mbox

[edk2,2/4] UefiCpuPkg/MpInitLib/X64/MpFuncs.nasm: remove superfluous instruction

Message ID 20161117001754.4383-3-lersek@redhat.com
State New
Headers show

Commit Message

Laszlo Ersek Nov. 17, 2016, 12:17 a.m. UTC 
At this point, ESI still has the value from EBX.

Cc: Jeff Fan <jeff.fan@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>

---
 UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm | 1 -
 1 file changed, 1 deletion(-)

-- 
2.9.2


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diff mbox

Patch

diff --git a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
index bfc3ff1f5c7a..6a8794d83b5d 100644
--- a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
+++ b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
@@ -122,13 +122,12 @@  LongModeStart:
     mov        esi, ebx
     lea        edi, [esi + InitFlagLocation]
     cmp        qword [edi], 1       ; ApInitConfig
     jnz        GetApicId
 
     ; AP init
-    mov        esi, ebx
     mov        edi, esi
     add        edi, LockLocation
     mov        rax, NotVacantFlag
 
 TestLock:
     xchg       qword [edi], rax