From: Laszlo Ersek <lersek@redhat.com>
To: Jian J Wang <jian.j.wang@intel.com>, edk2-devel@lists.01.org
Cc: Wu Hao <hao.a.wu@intel.com>, Eric Dong <eric.dong@intel.com>
Subject: Re: [PATCH] UefiCpuPkg/CpuDxe: Add initialization to local variable
Date: Tue, 12 Dec 2017 10:27:06 +0100 [thread overview]
Message-ID: <5fea413e-b367-1258-835c-03c147965075@redhat.com> (raw)
In-Reply-To: <20171212032828.14000-1-jian.j.wang@intel.com>
Hello Jian,
On 12/12/17 04:28, Jian J Wang wrote:
> The purpose of the patch is just to avoid complaining from compiler and
> static check tool.
>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Wu Hao <hao.a.wu@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
> ---
> UefiCpuPkg/CpuDxe/CpuMp.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/UefiCpuPkg/CpuDxe/CpuMp.c b/UefiCpuPkg/CpuDxe/CpuMp.c
> index 56ba026152..61018c9950 100644
> --- a/UefiCpuPkg/CpuDxe/CpuMp.c
> +++ b/UefiCpuPkg/CpuDxe/CpuMp.c
> @@ -695,6 +695,8 @@ InitializeMpExceptionStackSwitchHandlers (
> EssData.Ia32.StackSwitchExceptionNumber = ExceptionNumber;
> EssData.Ia32.KnownGoodStackSize = FixedPcdGet32(PcdCpuKnownGoodStackSize);
>
> + Gdtr.Base = 0;
> + Gdtr.Limit = 0;
> MpInitLibWhoAmI (&Bsp);
> for (Index = 0; Index < mNumberOfProcessors; ++Index) {
> //
>
(1) Please add a separate comment, in the style that is described in
<https://bugzilla.tianocore.org/show_bug.cgi?id=607>:
//
// set Gdtr to suppress incorrect compiler/analyzer warnings
//
Gdtr.Base = 0;
Gdtr.Limit = 0;
(2) I suggest updating the subject line like this:
UefiCpuPkg/CpuDxe: suppress invalid warning about uninitialized variable
(72 characters)
With those changes:
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Thanks!
Laszlo
next prev parent reply other threads:[~2017-12-12 9:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-12 3:28 [PATCH] UefiCpuPkg/CpuDxe: Add initialization to local variable Jian J Wang
2017-12-12 3:42 ` Dong, Eric
2017-12-12 8:25 ` Wu, Hao A
2017-12-12 9:27 ` Laszlo Ersek [this message]
2017-12-13 0:16 ` Wang, Jian J
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