linux-kernel - Re: [PATCH 1/2] proc/insterrupts: make it cpu hotplug safe

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: <20110727060545.GA2561@osiris.boeblingen.de.ibm.com>
Date:	Wed, 27 Jul 2011 08:05:45 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Yong Zhang <yong.zhang0@...il.com>
Cc:	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Keika Kobayashi <kobayashi.kk@...s.nec.co.jp>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [PATCH 1/2] proc/insterrupts: make it cpu hotplug safe

On Wed, Jul 27, 2011 at 12:56:22PM +0800, Yong Zhang wrote:
> KOSAKI Motonhiro noticed that the reader of /proc/interrupts
> could be preempted by cpu hotplug, thus the reader can get
> broken result due to show_interrupts() iterate every online
> cpu without any protection.
> 
> Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Keika Kobayashi <kobayashi.kk@...s.nec.co.jp>
> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Cc: Heiko Carstens <heiko.carstens@...ibm.com>

Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>
--
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/