sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

UefiCpuPkg/MpInitLib: Remove unused Lock from MP_CPU_EXCHANGE_INFO

Browse Source 
The Lock is no longer needed since "LOCK XADD" was used in
MpFuncs.nasm for ApIndex atomic increment.

Signed-off-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
This commit is contained in:
Ray Ni
2021-02-09 22:10:22 +08:00
committed by mergify[bot]
parent 2fba7d4ee4
commit 8c61f1934d
5 changed files with 1 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
UefiCpuPkg/Library/MpInitLib/Ia32/MpFuncs.nasm
View File

@@ -121,10 +121,6 @@ SkipEnableExecuteDisable:
lock inc dword [edi]
; AP init
mov edi, esi
add edi, MP_CPU_EXCHANGE_INFO_FIELD (Lock)
mov eax, NotVacantFlag
mov edi, esi
add edi, MP_CPU_EXCHANGE_INFO_FIELD (ApIndex)
mov ebx, 1