linux-kernel - Re: [PATCH] drm/amdgpu/smu10: Replace one-element array and use struct_size() helper

Open Source and information security mailing list archives

Date:   Fri, 22 May 2020 13:54:01 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Christian König <christian.koenig@....com>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Evan Quan <evan.quan@....com>
Subject: Re: [PATCH] drm/amdgpu/smu10: Replace one-element array and use
 struct_size() helper

On Fri, May 22, 2020 at 1:46 PM Gustavo A. R. Silva
<gustavoars@...nel.org> wrote:
>
> On Wed, May 20, 2020 at 09:42:27AM +0200, Christian König wrote:
> > >
> > > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> >
> > Acked-by: Christian König <christian.koenig@....com>
> >
> > May I suggest that we add a section how to correctly do this to
> > Documentation/process/coding-style.rst or similar document?
> >
>
> That's already on my list. :)
>
> > I've seen a bunch of different approaches and some even doesn't work with
> > some gcc versions and result in a broken binary.
> >
>
> Do you have an example of that one that doesn't work with some GCC
> versions? It'd be interesting to take a look...

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/radeon/radeon_atombios.c?id=a7ee824a6255e347ea76e2f00827e81bbe01004e

Alex

>
> Thanks
> --
> Gustavo
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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