Re: [memcg:auto-latest 238/243] include/linux/compiler-gcc.h:243:38: error: impossible constraint in 'asm'

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On Mon 01-08-16 11:00:50, Jason Baron wrote:
> On 07/31/2016 08:11 AM, Michal Hocko wrote:
> > It seems that this has been already reported and Jason has noticed [1] that
> > the problem is in the disabled optimizations:
> > 
> > $ grep CRYPTO_DEV_UX500_DEBUG .config
> > CONFIG_CRYPTO_DEV_UX500_DEBUG=y
> > 
> > if I disable this particular option the code compiles just fine. I have
> > no idea what is wrong about the code but it seems to depend on
> > optimizations enabled which sounds a bit scrary...
> > 
> > [1] http://www.spinics.net/lists/linux-mm/msg109590.html
> 
> 
> Hi,
> 
> There was a patch from Arnd Bergmann to address this
> issue by removing the usage of -O0 here, included in
> linux-next:
> 
> https://marc.info/?l=linux-kernel&m=146701898520633&w=2

AFAIU the code should be fixed as well. See
http://lkml.kernel.org/r/35a0878d-84bd-ad93-8810-23c861ed464e@xxxxxxx
-- 
Michal Hocko
SUSE Labs

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