Re: [RFC PATCH] mm: memory-failure: add missing set_mce_nospec() for memory_failure()

[Miaohe Lin <linmiaohe@huawei.com>]

On 2023/7/5 0:23, kernel test robot wrote:
> Hi Miaohe,
> 
> [This is a private test report for your RFC patch.]
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on akpm-mm/mm-everything]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Miaohe-Lin/mm-memory-failure-add-missing-set_mce_nospec-for-memory_failure/20230704-202035
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> patch link:    https://lore.kernel.org/r/20230704121948.1331846-1-linmiaohe%40huawei.com
> patch subject: [RFC PATCH] mm: memory-failure: add missing set_mce_nospec() for memory_failure()
> config: arm64-randconfig-r021-20230704 (https://download.01.org/0day-ci/archive/20230705/202307050025.piXqvNt6-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 12.3.0
> reproduce: (https://download.01.org/0day-ci/archive/20230705/202307050025.piXqvNt6-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202307050025.piXqvNt6-lkp@intel.com/

Thanks for reporting. This leads to problem too when I compiled the kernel and it's fixed in my workload but I forgot to post that change to the patch. Sorry for my careless.

	mm/memory-failure.c: In function ‘memory_failure_work_func’:
	mm/memory-failure.c:2412:9: error: suggest parentheses around operand of ‘!’ or change ‘&’ to ‘&&’ or ‘!’ to ‘~’ [-Werror=parentheses]
	 2412 |     if (!entry.flags & MF_SW_SIMULATED)
	      |         ^~~~~~~~~~~~