linux-kernel - Re: [2.6.28.7] BUG: using smp_processor_id() in preemptible [00000000] code: pageattr-test/207

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090224083028.GA17355@elte.hu>
Date:	Tue, 24 Feb 2009 09:30:28 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Tilman Schmidt <t.schmidt@...enixsoftware.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	Jeremy Fitzhardinge <jeremy@...source.com>
Subject: Re: [2.6.28.7] BUG: using smp_processor_id() in preemptible
	[00000000] code: pageattr-test/207


* Tilman Schmidt <t.schmidt@...enixsoftware.de> wrote:

> On Mon, 23 Feb 2009 15:13:31 -0800, Andrew Morton <akpm@...ux-foundation.org> wrote:
> > A 2.6.28.6 -> 2.6.28.7 regressionlet.
> > 
> > This, I bet:
> > 
> > commit 2cf155b300c4839a7238b825c7c5f417e9d7cc68
> > Author: Jeremy Fitzhardinge <jeremy@...p.org>
> > Date:   Wed Feb 11 09:32:19 2009 -0800
> > 
> >     x86/cpa: make sure cpa is safe to call in lazy mmu mode
> >     
> >     commit 4f06b0436b2ddbd3b67b10e77098a6862787b3eb upstream.
> 
> Jackpot! Reverted that commit on 2.6.28.7, and the BUG messages are gone.

should be fixed by this as well:

d85cf93: x86/paravirt: make arch_flush_lazy_mmu/cpu disable preemption

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