From: Don Zickus <dzickus@redhat.com>
Date: Tue, 26 Sep 2006 08:52:27 +0000 (+0200)
Subject: [PATCH] x86: Add abilty to enable/disable nmi watchdog from procfs (update)
X-Git-Tag: v2.6.19-rc1~1077^2~211
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e33e89ab1a8d295de0500b697f4f31c3ceee9aa2;p=pandora-kernel.git

[PATCH] x86: Add abilty to enable/disable nmi watchdog from procfs (update)

Adds a new /proc/sys/kernel/nmi_watchdog call that will enable/disable the
nmi watchdog.

By entering a non-zero value here, a user can enable the nmi watchdog to
monitor the online cpus in the system.  By entering a zero value here, a
user can disable the nmi watchdog and free up a performance counter which
could then be utilized by the oprofile subsystem, otherwise oprofile may be
short a counter when in use.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

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