linux-kernel - Re: [PATCH 1/1] i386: fix a hang on stuck nmi watchdog

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]

Date:	Sat, 1 Sep 2007 23:45:00 +0200
From:	Andi Kleen <ak@...e.de>
To:	Daniel Walker <dwalker@...sta.com>
Cc:	akpm@...ux-foundation.org, eranian@....hp.com, B.Steinbrink@....de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] i386: fix a hang on stuck nmi watchdog

On Saturday 01 September 2007 22:54:17 Daniel Walker wrote:
> In the case when an nmi gets stucks the endflag stays equal to zero. This
> causes the busy looping on other cpus to continue, even tho the nmi test
> is done.
> 
> On my machine with out the change below the system would hang right after
> check_nmi_watchdog(). The change below just sets endflag prior to checking
> if the test was successful or not.
> 
> Signed-off-by: Daniel Walker <dwalker@...sta.com>

Added thanks. I guess it's .23 material.

-Andi

-
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/