Revert "UefiCpuPkg: Solve that stack top address is not mapped in pag…

…etable" This reverts commit b1db096. Commit breaks booting on AMD Zen platforms. Signed-off-by: Matt DeVillier <[email protected]> Change-Id: Id86c84dbca13d68bb6c9c28ec170dc6e9f1c9e56
ellyq · Aug 7, 2024 · 94cbae5 · 94cbae5
1 parent 371701a
commit 94cbae5
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
@@ -314,7 +314,6 @@ MwaitCheckGeneric:
 MwaitLoopGeneric:
     cli
     mov        rax, rsp           ; Set Monitor Address
-    sub        eax, 8             ; To ensure the monitor address is in the page table
     xor        ecx, ecx           ; ecx = 0
     xor        edx, edx           ; edx = 0
     monitor