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

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Date:   Fri, 22 Jul 2022 09:30:32 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the amdgpu tree

On Thu, Jul 21, 2022 at 10:52 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> On Thu, 21 Jul 2022 12:16:18 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > Hi all,
> >
> > On Wed, 20 Jul 2022 12:47:32 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > >
> > > > drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c: In function 'dml32_ModeSupportAndSystemConfigurationFull':
> > > > drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c:3799:1: error: the frame size of 2464 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
> > > >  3799 | } // ModeSupportAndSystemConfigurationFull
> > > >       | ^
> > >
> > > This is still here, but the frame size is down to 2336.
> >
> > Today it is down to 2128.
>
> And today we are back up to 2152.  I can only imagine that maybe things
> are being inlined?

This is driving me crazy, there is almost nothing left on the stack at
this point.

Alex

>
> My compiler (in case it matters):
>
> $ x86_64-linux-gnu-gcc --version
> x86_64-linux-gnu-gcc (Debian 11.2.0-9) 11.2.0
>
> --
> Cheers,
> Stephen Rothwell