Re: Build regressions/improvements in v4.4-rc7

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: Build regressions/improvements in v4.4-rc7
Date	2015-12-28 17:30 +0100
Message-ID	<qKIQk-4yb-29@gated-at.bofh.it> (permalink)
References	<qKF62-1ST-19@gated-at.bofh.it> <qKFfI-1VQ-15@gated-at.bofh.it> <qKIGC-4ua-15@gated-at.bofh.it> <qKIQj-4yb-7@gated-at.bofh.it>
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Hello,

On Mon, Dec 28, 2015 at 08:22:20AM -0800, Randy Dunlap wrote:
> On 12/28/15 08:18, Tejun Heo wrote:
> > On Mon, Dec 28, 2015 at 01:29:18PM +0100, Geert Uytterhoeven wrote:
> >> On Mon, Dec 28, 2015 at 1:21 PM, Geert Uytterhoeven
> >> <geert@linux-m68k.org> wrote:
> >>> JFYI, when comparing v4.4-rc7[1] to v4.4-rc6[3], the summaries are:
> >>>   - build errors: +14/-3
> >>
> >>   + /home/kisskb/slave/src/include/linux/kqueue.h: error:
> >> dereferencing type-punned pointer will break strict-aliasing rules
> >> [-Werror=strict-aliasing]:  => 186:2
> > 
> > kqueue.h?
> > 
> 
>   + /home/kisskb/slave/src/include/linux/workqueue.h: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]:  => 186:2

Heh, yeah, that makes a lot more sense.  At the same time tho, the
code has been there forever and there are a lot of simliar derefs
throughout kernel/workqueue.c.  Is there something the code should be
doing?

Thanks.

-- 
tejun
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Re: Build regressions/improvements in v4.4-rc7 Geert Uytterhoeven <geert@linux-m68k.org> - 2015-12-28 13:40 +0100
  Re: Build regressions/improvements in v4.4-rc7 Tejun Heo <tj@kernel.org> - 2015-12-28 17:20 +0100
    Re: Build regressions/improvements in v4.4-rc7 Randy Dunlap <rdunlap@infradead.org> - 2015-12-28 17:30 +0100
      Re: Build regressions/improvements in v4.4-rc7 Tejun Heo <tj@kernel.org> - 2015-12-28 17:30 +0100

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