linux-kernel - Re: [PATCH 2/2] mm: adds NOSIGBUS extension for out-of-band shmem read

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Date:   Wed, 2 Jun 2021 17:30:07 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Ming Lin-SSI <mlin@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Simon Ser <contact@...rsion.fr>
Cc:     kbuild-all@...ts.01.org, LKML <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, Ming Lin-SSI <mlin@...nel.org>
Subject: Re: [PATCH 2/2] mm: adds NOSIGBUS extension for out-of-band shmem
 read

Hi Ming,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on arm64/for-next/core powerpc/next asm-generic/master linus/master v5.13-rc4]
[cannot apply to hnaz-linux-mm/master tip/x86/core next-20210601]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Ming-Lin/mm-adds-MAP_NOSIGBUS-extension-for-shmem-read/20210602-072403
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd860052c99b1e088352bdd4fb7aef46f8d2ef47
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
cd tools/perf && ./check-headers.sh

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


perfheadercheck warnings: (new ones prefixed by >>)
>> Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman-common.h' differs from latest version at 'include/uapi/asm-generic/mman-common.h':   32> #define MAP_NOSIGBUS		0x200000	/* do not SIGBUS on out-of-band shmem read */

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org