Reviewed-by: Eric Dong <[email protected]>

> -----Original Message-----
> From: [email protected] <[email protected]> On Behalf Of
> Lendacky, Thomas
> Sent: Thursday, August 20, 2020 10:53 PM
> To: [email protected]
> Cc: Gao, Liming <[email protected]>; Dong, Eric <[email protected]>;
> Ni, Ray <[email protected]>; Laszlo Ersek <[email protected]>; Kumar,
> Rahul1 <[email protected]>
> Subject: [edk2-devel] [PATCH v2 1/1] UefiCpuPkg/MpInitLib: Always initialize
> the DoDecrement variable
> 
> From: Tom Lendacky <[email protected]>
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2901
> 
> The DoDecrement variable in ApWakeupFunction () wasn't always being
> initialized. Update the code to always fully initialize it.
> 
> Cc: Eric Dong <[email protected]>
> Cc: Ray Ni <[email protected]>
> Cc: Laszlo Ersek <[email protected]>
> Cc: Rahul Kumar <[email protected]>
> Signed-off-by: Tom Lendacky <[email protected]>
> ---
>  UefiCpuPkg/Library/MpInitLib/MpLib.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c
> b/UefiCpuPkg/Library/MpInitLib/MpLib.c
> index 90416c81b616..07426274f639 100644
> --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
> +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
> @@ -885,9 +885,7 @@ ApWakeupFunction (
>            UINT64                    Status;
>            BOOLEAN                   DoDecrement;
> 
> -          if (CpuMpData->InitFlag == ApInitConfig) {
> -            DoDecrement = TRUE;
> -          }
> +          DoDecrement = (BOOLEAN) (CpuMpData->InitFlag ==
> + ApInitConfig);
> 
>            while (TRUE) {
>              Msr.GhcbPhysicalAddress = AsmReadMsr64 (MSR_SEV_ES_GHCB);
> --
> 2.28.0
> 
> 
> 


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.

View/Reply Online (#64515): https://edk2.groups.io/g/devel/message/64515
Mute This Topic: https://groups.io/mt/76309738/21656
Group Owner: [email protected]
Unsubscribe: https://edk2.groups.io/g/devel/unsub  [[email protected]]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to