linux-kernel - Re: linux-next: build failure after merge of the drm-misc tree

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Message-ID: <CACO55tsyrnta4z=K_vARsQTTD1t4o8sHA4Svr=Z+sDnvv0jHCQ@mail.gmail.com>
Date:   Thu, 14 Oct 2021 07:42:09 +0200
From:   Karol Herbst <kherbst@...hat.com>
To:     Luo penghao <luo.penghao@....com.cn>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the drm-misc tree

On Thu, Oct 14, 2021 at 5:02 AM <luo.penghao@....com.cn> wrote:
>
> Hi,
>
> I review the code.
>
> It seems I forget to delete the definition of the variable "inst",I'm sry for that.: (
>
> I'll submit another patch soon.
>

I already wrote the patch and pushed it:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit?id=381ba6a6baf104b572379c6b2deab884555104d4

>
> > Hi all,
> >
> > After merging the drm-misc tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c: In function 'gp100_vmm_fault_cancel':
> > drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c:491:6: error: unused variable 'inst' [-Werror=unused-variable]
> >   491 |  u32 inst, aper;
> >       |      ^~~~
> > cc1: all warnings being treated as errors
> >
> > Caused by commit
> >
> >   404046cf4805 ("drm/nouveau/mmu/gp100-: drop unneeded assignment in the if condition.")
> >
> > I have used the drm-misc tree from next-20211011 for today.
> >
> > --
> > Cheers,
> > Stephen Rothwell