; Laszlo Ersek (ler...@redhat.com)
>
> Subject: RE: [edk2-devel] [PATCH] UefiCpuPkg/CpuExceptionHandlerLib: Fix
> #AC split lock
>
> Hi Eric,
>
> 1. you are correct, we need to need to handle 63-32 bits. I attach image which
> I think will help explain it better. sidt and
alf Of
>> John E Lofgren
>> Sent: Wednesday, September 4, 2019 2:15 AM
>> To: devel@edk2.groups.io
>> Subject: [edk2-devel] [PATCH] UefiCpuPkg/CpuExceptionHandlerLib: Fix
>> #AC split lock
>>
>> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2150
>>
>
vel] [PATCH] UefiCpuPkg/CpuExceptionHandlerLib: Fix #AC
> split lock
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2150
>
> Fix #AC split lock's caused by seperating base and limit from sgdt and sidt by
> changing xchg operands to 32-bit to stop from crossing
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2150
Fix #AC split lock's caused by seperating base and limit
from sgdt and sidt by changing xchg operands to 32-bit to
stop from crossing cacheline.
Signed-off-by: John E Lofgren
---
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHand
