.com]
>Sent: Friday, September 13, 2019 9:32 AM
>To: devel@edk2.groups.io; Lofgren, John E
>Cc: Ni, Ray ; Gao, Liming ; Dong,
>Eric
>Subject: Re: [edk2-devel] [Patch V2] UefiCpuPkg/CpuExceptionHandlerLib: Fix
>#AC split lock
>
>On 09/09/19 20:40, John E Lofgren wrote:
>
On 09/09/19 20:40, John E Lofgren wrote:
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2150
>
> V2 changes:
> Add xchg 16 bit instructions to handle sgdt and sidt base
> 63:48 bits and 47:32 bits.
> Add comment to explain why xchg 64bit isnt being used
>
> Fix #AC split lock's caused by s
Cc other reviewers.
Reviewed-by: Eric Dong
Thanks,
Eric
> -Original Message-
> From: devel@edk2.groups.io On Behalf Of John E
> Lofgren
> Sent: Tuesday, September 10, 2019 2:41 AM
> To: devel@edk2.groups.io
> Subject: [edk2-devel] [Patch V2] UefiCpuPkg/CpuExceptionHan
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2150
V2 changes:
Add xchg 16 bit instructions to handle sgdt and sidt base
63:48 bits and 47:32 bits.
Add comment to explain why xchg 64bit isnt being used
Fix #AC split lock's caused by seperating base and limit from sgdt
and sidt by changing x
