linux-kernel - Re: sh4: parisc: asm/cmpxchg.h:60:24: error: implicit declaration of function 'cmpxchg_emu_u8' [-Werror=implicit-function-declaration]

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Date: Wed, 3 Apr 2024 14:02:33 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Naresh Kamboju <naresh.kamboju@...aro.org>,
	open list <linux-kernel@...r.kernel.org>,
	Linux Regressions <regressions@...ts.linux.dev>,
	lkft-triage@...ts.linaro.org,
	linux-parisc <linux-parisc@...r.kernel.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Rik van Riel <riel@...riel.com>,
	"Matthew Wilcox (Oracle)" <willy@...radead.org>,
	Arnd Bergmann <arnd@...db.de>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	Anders Roxell <anders.roxell@...aro.org>
Subject: Re: sh4: parisc: asm/cmpxchg.h:60:24: error: implicit declaration of
 function 'cmpxchg_emu_u8' [-Werror=implicit-function-declaration]

On Wed, Apr 03, 2024 at 01:52:05PM -0700, Andrew Morton wrote:
> On Wed, 3 Apr 2024 13:23:23 +0530 Naresh Kamboju <naresh.kamboju@...aro.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@...aro.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?

This one is already fixed, but I am pulling the offending commits out
of -next for a few days in order to fix some additional casting issues
identified by kernel test robot.

Apologies for the hassle!

							Thanx, Paul