linux-kernel - Re: [PATCH 6.11 000/249] 6.11.7-rc2 review

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Message-ID: <d440b33c-8634-46c2-8fb6-8ee4e7b43534@roeck-us.net>
Date: Sun, 10 Nov 2024 07:53:32 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org
Cc: patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
 torvalds@...ux-foundation.org, akpm@...ux-foundation.org, shuah@...nel.org,
 patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
 jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com,
 srw@...dewatkins.net, rwarsow@....de, conor@...nel.org, hagar@...rosoft.com,
 broonie@...nel.org
Subject: Re: [PATCH 6.11 000/249] 6.11.7-rc2 review

On 11/6/24 22:47, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.11.7 release.
> There are 249 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sat, 09 Nov 2024 06:45:18 +0000.
> Anything received after that time might be too late.
> 
[ ... ]

> Naohiro Aota <naohiro.aota@....com>
>      btrfs: fix error propagation of split bios
> 

This patch triggers:

ERROR: modpost: "__cmpxchg_called_with_bad_pointer" [fs/btrfs/btrfs.ko] undefined!

or:

fs/btrfs/bio.o: In function `btrfs_bio_alloc':
fs/btrfs/bio.c:73: undefined reference to `__cmpxchg_called_with_bad_pointer'
fs/btrfs/bio.o: In function `__cmpxchg':
arch/xtensa/include/asm/cmpxchg.h:78: undefined reference to `__cmpxchg_called_with_bad_pointer'

on xtensa builds with btrfs enabled.

Upstream commit e799bef0d9c8 ("xtensa: Emulate one-byte cmpxchg") is
required to fix the problem.

Guenter