Re: [PATCH v2 3/4] powerpc/mm: fix a warning when a cache is common to PGD and hugepages

From: Segher Boessenkool
Date: Thu Aug 23 2018 - 10:45:02 EST


On Thu, Aug 23, 2018 at 11:32:16PM +1000, Andrew Donnellan wrote:
> On 23/08/18 21:56, Michael Ellerman wrote:
> >Christophe LEROY <christophe.leroy@xxxxxx> writes:
> >
> >>Le 23/08/2018 à 12:36, Segher Boessenkool a écrit :
> >>>On Thu, Aug 23, 2018 at 11:40:22AM +0200, Christophe LEROY wrote:
> >>>>The only small problème I have is that some version of GCC seems to
> >>>>complain about big memset() (132k and 256k ones). Is there a way to tell
> >>>>GCC we really want to do it ?
> >>>
> >>>I'm not sure what you mean. Complain, is that a warning, is that an
> >>>error?
> >>>What does it say? Do you have some example code to reproduce it? Etc.
> >>
> >>I saw the warnings in the checks at
> >>https://patchwork.ozlabs.org/patch/957566/
> >>Unfortunatly the link is now broken.
> >
> >ruscur/ajd any idea what happened to the snowpatch links here?
>
> I think they've disappeared because our log rotation is too fast - I've
> now upped it to 30 days. I guess over time we'll figure out what we need
> in this regard, ideally we'd keep logs indefinitely but they're several
> megs per build.
>
> I've kicked off another build for this series and the links in Patchwork
> should update to point to the new job when it's done (probably in the
> next couple of hours).

It's back, thanks Andrew!

The warnings are not from GCC at all: the warnings are from sparse.


Segher