linux-kernel - Re: [PATCH v2] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR

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Date:   Wed, 31 Mar 2021 12:09:41 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Chen Huang <chenhuang5@...wei.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linuxppc-dev@...ts.ozlabs.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Don Zickus <dzickus@...hat.com>, linux-kernel@...r.kernel.org,
        Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH v2] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration

On Mon, 29 Mar 2021 10:27:00 +0800, Chen Huang wrote:
> When compiling the powerpc with the SMP disabled, it shows the issue:
> 
> arch/powerpc/kernel/watchdog.c: In function ‘watchdog_smp_panic’:
> arch/powerpc/kernel/watchdog.c:177:4: error: implicit declaration of function ‘smp_send_nmi_ipi’; did you mean ‘smp_send_stop’? [-Werror=implicit-function-declaration]
>   177 |    smp_send_nmi_ipi(c, wd_lockup_ipi, 1000000);
>       |    ^~~~~~~~~~~~~~~~
>       |    smp_send_stop
> cc1: all warnings being treated as errors
> make[2]: *** [scripts/Makefile.build:273: arch/powerpc/kernel/watchdog.o] Error 1
> make[1]: *** [scripts/Makefile.build:534: arch/powerpc/kernel] Error 2
> make: *** [Makefile:1980: arch/powerpc] Error 2
> make: *** Waiting for unfinished jobs....
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration
      https://git.kernel.org/powerpc/c/4fe529449d85e78972fa327999961ecc83a0b6db

cheers