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Re: [GIT PULL] x86 fixes

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On Sat, 3 Oct 2015, Ingo Molnar wrote:
> > Please pull the latest x86-urgent-for-linus git tree from:
> > 
> >    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-urgent-for-linus
> > 
> >    # HEAD: f4b4aae1828855db761bf998ce37d3062b1d6446 x86/headers/uapi: Fix __BITS_PER_LONG value for x32 builds
> > 
> > Fixes all around the map: W+X kernel mapping fix, WCHAN fixes, two build failure 
> > fixes for corner case configs, x32 header fix and a speling fix.
> 
> Sorry, please don't pull this tree: Thomas tells me that the two WCHAN fixes 
> trigger some sort of badness in Sasha's testing:
> 
> > Thomas Gleixner (2):
> >       x86/process: Add proper bound checks in 64bit get_wchan()
> >       x86/process: Unify 32bit and 64bit implementations of get_wchan()
> 
> I don't know any details yet.

Andrey Ryabinin explained it here:

       http://marc.info/?l=linux-kernel&m=144387188203639&w=2

So it's a false positive and the patches are good to go.

I rechecked as well another five times that the bound check is
correct.

Thanks,

	tglx

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[GIT PULL] x86 fixes Ingo Molnar <mingo@kernel.org> - 2015-10-03 12:30 +0200
  Re: [GIT PULL] x86 fixes Ingo Molnar <mingo@kernel.org> - 2015-10-03 13:00 +0200
    Re: [GIT PULL] x86 fixes Thomas Gleixner <tglx@linutronix.de> - 2015-10-03 21:50 +0200

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