linux-kernel - Re: linux-next: build failure after merge of almost all the trees

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Date:   Thu, 28 Oct 2021 23:38:44 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Anton Altaparmakov <anton@...era.com>,
        Joel Stanley <joel@....id.au>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: Re: linux-next: build failure after merge of almost all the trees

Hi all,

On Thu, 28 Oct 2021 21:26:51 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next build (powerpc allyesconfig) failed like this:
> 
> fs/ntfs/aops.c: In function 'ntfs_write_mst_block':
> fs/ntfs/aops.c:1311:1: error: the frame size of 2304 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
>  1311 | }
>       | ^
> cc1: all warnings being treated as errors
> 
> I have no idea what has caused this.

With a nudge from Arnd, it seems the immediate case was commit

  f22969a66041 ("powerpc/64s: Default to 64K pages for 64 bit book3s")

from the powerpc tree switching the allyesconfig build from 4k pages to
64k pages which expanded a few arrays on the stack in that function.

-- 
Cheers,
Stephen Rothwell

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