linux-kernel - Re: [PATCH -rt] fix sysrq+l when nmi

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] [day] [month] [year] [list]

Message-ID: <Pine.LNX.4.58.0805271935320.13815@gandalf.stny.rr.com>
Date:	Tue, 27 May 2008 19:36:08 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH -rt] fix sysrq+l when nmi_watchdog disabled



On Tue, 27 May 2008, Hiroshi Shimamoto wrote:

> From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
>
> In nmi_show_all_regs(), set nmi_show_regs for all cpus but NMI never come
> to itself when nmi_watchdog is disabled. It means the kernel hangs up when
> sysrq+l is issued.
>
> Call irq_show_regs_callback() itself before calling smp_send_nmi_allbutself().

Thanks,

I had a patch to do this fix but it got lost. I'll add yours.

-- Steve

>
> Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.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/