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SubjectRe: asm-generic: Disallow no-op mb() for SMP systems
On Sat, Feb 03, 2018 at 03:14:01AM +0800, kbuild test robot wrote:
> Hi Peter,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on asm-generic/master]
> [also build test ERROR on v4.15 next-20180202]
> [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/Peter-Zijlstra/asm-generic-Disallow-no-op-mb-for-SMP-systems/20180203-000108
> base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
> config: mn10300-asb2364_defconfig (attached as .config)
> compiler: am33_2.0-linux-gcc (GCC) 7.2.0

David, this one is yours :-) Does that mn10300 thing really have
sequentially consistent SMP (no store buffers or anything?)

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