Messages in this thread | | | Date | Fri, 2 Feb 2018 21:08:20 +0000 | From | Alan Cox <> | Subject | Re: asm-generic: Disallow no-op mb() for SMP systems |
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On Fri, 2 Feb 2018 21:25:49 +0100 Peter Zijlstra <peterz@infradead.org> wrote:
> On Sat, Feb 03, 2018 at 04:00:35AM +0800, kbuild test robot wrote: > > Hi Peter, > > > > I love your patch! Yet something to improve: > > Seriously? Bots have feelings? > > > [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: m32r-usrv_defconfig (attached as .config) > > compiler: m32r-linux-gcc (GCC) 7.2.0 > > Awesome, another broken architecture.. and this one is Orphaned :-( > No maintainer to bug..
Renesas claim to still support the processor family so perhaps they can provide a maintainer if you instead submit a patch to remove it from the tree ;-)
From the documentation however the processor only does explicit dual issue instructions, and the SMP is cache coherent so I'm not convinced there is a problem with it.
Alan
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