linux-kernel - Re: [PATCH v5 2/4] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call

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Message-ID: <CAD=FV=V087x+56aWFtJxg31O09cFUm00grH7bq1rLSwoq68WdA@mail.gmail.com>
Date:   Tue, 27 Nov 2018 09:39:09 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Will Deacon <will.deacon@....com>,
        kgdb-bugreport@...ts.sourceforge.net,
        Peter Zijlstra <peterz@...radead.org>,
        linux-mips@...ux-mips.org, linux-sh@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Catalin Marinas <catalin.marinas@....com>, jhogan@...nel.org,
        linux-hexagon@...r.kernel.org, Vineet Gupta <vgupta@...opsys.com>,
        dalias@...c.org, Ralf Baechle <ralf@...ux-mips.org>,
        linux-snps-arc@...ts.infradead.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        paulus@...ba.org, Russell King - ARM Linux <linux@...linux.org.uk>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        christophe.leroy@....fr, mpe@...erman.id.au, paul.burton@...s.com,
        rkuo@...eaurora.org, linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH v5 2/4] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()

Hi,

On Mon, Nov 26, 2018 at 9:39 PM kbuild test robot <lkp@...el.com> wrote:
>
> Hi Douglas,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on kgdb/kgdb-next]
> [also build test ERROR on v4.20-rc4 next-20181126]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/Douglas-Anderson/kgdb-Fix-kgdb_roundup_cpus/20181127-115425
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb.git kgdb-next
> config: sparc64-allyesconfig (attached as .config)
> compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         GCC_VERSION=7.2.0 make.cross ARCH=sparc64
>
> Note: the linux-review/Douglas-Anderson/kgdb-Fix-kgdb_roundup_cpus/20181127-115425 HEAD b8d0502e65f2d7a2187baa69870146a6fbf18c9f builds fine.
>       It only hurts bisectibility.
>
> All errors (new ones prefixed by >>):
>
>    kernel/debug/debug_core.c: In function 'kgdb_roundup_cpus':
> >> kernel/debug/debug_core.c:261:18: error: 'struct debuggerinfo_struct' has no member named 'rounding_up'
>        kgdb_info[cpu].rounding_up = false;
>                      ^

Oops, I squashed this into the wrong patch.  It should have been in
patch #3.  Sorry about that.  I'll send out a quick v6.