linux-kernel - Re: [PATCH] locking_selftest: Save/restore migrate_disable

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Message-ID: <20151123084325.4f0b4d62@gandalf.local.home>
Date:	Mon, 23 Nov 2015 08:43:25 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	kbuild test robot <lkp@...el.com>
Cc:	jianchuan.wang@...driver.com, kbuild-all@...org,
	bigeasy@...utronix.de, tglx@...utronix.de, yang.shi@...driver.com,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] locking_selftest: Save/restore migrate_disable_atomic
 in locking selftest

On Mon, 23 Nov 2015 15:30:30 +0800
kbuild test robot <lkp@...el.com> wrote:

> Hi Jianchuan,
> 
> [auto build test ERROR on: v4.4-rc2]
> [also build test ERROR on: next-20151120]
> 
> url:    https://github.com/0day-ci/linux/commits/jianchuan-wang-windriver-com/locking_selftest-Save-restore-migrate_disable_atomic-in-locking-selftest/20151123-152217
> config: x86_64-randconfig-x013-11230343 (attached as .config)
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>    lib/locking-selftest.c: In function 'dotest':
> >> lib/locking-selftest.c:981:25: error: 'struct task_struct' has no member named 'migrate_disable_atomic'  
>      save_migrate_atomic = p->migrate_disable_atomic;
>                             ^
>    lib/locking-selftest.c:987:3: error: 'struct task_struct' has no member named 'migrate_disable_atomic'
>      p->migrate_disable_atomic = save_migrate_atomic;
>       ^


Need to add RT in the subject like "[PATCH RT]". Then perhaps Fengguang
can have his tests either ignore these or test against the -rt trees.

-- Steve

> 
> vim +981 lib/locking-selftest.c
> 
>    975		int save_migrate_atomic;
>    976	#endif
>    977	
>    978		WARN_ON(irqs_disabled());
>    979	
>    980	#ifdef CONFIG_SCHED_DEBUG
>  > 981		save_migrate_atomic = p->migrate_disable_atomic;  
>    982	#endif
>    983	
>    984		testcase_fn();
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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