Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1238982

Re: [GIT PULL] x86 fixes

Path csiph.com!eternal-september.org!feeder.eternal-september.org!aioe.org!bofh.it!news.nic.it!robomod
From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [GIT PULL] x86 fixes
Date Sat, 03 Oct 2015 21:50:01 +0200
Message-ID <qfAYF-353-7@gated-at.bofh.it> (permalink)
References <qfseK-7up-17@gated-at.bofh.it> <qfsHM-81X-9@gated-at.bofh.it>
X-Original-To Ingo Molnar <mingo@kernel.org>
User-Agent Alpine 2.11 (DEB 23 2013-08-11)
MIME-Version 1.0
Content-Type TEXT/PLAIN; charset=US-ASCII
X-Linutronix-Spam-Score -1.0
X-Linutronix-Spam-Level -
X-Linutronix-Spam-Status No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001
Sender robomod@news.nic.it
List-ID <linux-kernel.vger.kernel.org>
X-Mailing-List linux-kernel@vger.kernel.org
Approved robomod@news.nic.it
Lines 37
Organization linux.* mail to news gateway
X-Original-Cc Linus Torvalds <torvalds@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>, Andrew Morton <akpm@linux-foundation.org>, Andrey Ryabinin <ryabinin.a.a@gmail.com>
X-Original-Date Sat, 3 Oct 2015 21:40:19 +0200 (CEST)
X-Original-Message-ID <alpine.DEB.2.11.1510032137390.4500@nanos>
X-Original-References <20151003102413.GA32130@gmail.com> <20151003105726.GA1319@gmail.com>
X-Original-Sender linux-kernel-owner@vger.kernel.org
Xref csiph.com linux.kernel:1238982

Show key headers only | View raw


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[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

csiph-web