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Date: Wed, 3 Apr 2024 13:52:05 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: open list <linux-kernel@vger.kernel.org>, Linux Regressions
 <regressions@lists.linux.dev>, lkft-triage@lists.linaro.org, linux-parisc
 <linux-parisc@vger.kernel.org>, Linux-sh list <linux-sh@vger.kernel.org>,
 "Paul E. McKenney" <paulmck@kernel.org>, Mel Gorman
 <mgorman@techsingularity.net>, Rik van Riel <riel@surriel.com>,
 "Matthew Wilcox (Oracle)" <willy@infradead.org>, Arnd Bergmann
 <arnd@arndb.de>, Dan Carpenter <dan.carpenter@linaro.org>, Anders Roxell
 <anders.roxell@linaro.org>
Subject: Re: sh4: parisc: asm/cmpxchg.h:60:24: error: implicit declaration
 of function 'cmpxchg_emu_u8' [-Werror=implicit-function-declaration]
Message-Id: <20240403135205.7673001add2216e63db02d1e@linux-foundation.org>
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On Wed, 3 Apr 2024 13:23:23 +0530 Naresh Kamboju <naresh.kamboju@linaro.org> wrote:

> The parisc and sh defconfig builds failed due to following build warnings
> and errors on Linux next-20240402.
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> parisc:
>   build:
>     * gcc-11-tinyconfig - Failed
>     * gcc-11-allnoconfig - Failed
>     * gcc-11-defconfig - Failed
> 
> sh:
>   build:
>     * gcc-11-defconfig - Failed
>     * gcc-11-dreamcast_defconfig - Failed
>     * gcc-11-tinyconfig - Failed
>     * gcc-11-shx3_defconfig - Failed
>     * gcc-11-allnoconfig - Failed

Is this a new failure?  If so, can we please identify a suitable Fixes: target?