From: Li Zefan <lizefan@huawei.com>
Date: Fri, 17 May 2013 02:31:04 +0000 (+0800)
Subject: watchdog: Disallow setting watchdog_thresh to -1
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~62^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6572f84c5b135d9b6df279ed3c8de028bd1edd9;p=pandora-kernel.git

watchdog: Disallow setting watchdog_thresh to -1

In old kernels, it's allowed to set softlockup_thresh to -1 or 0
to disable softlockup detection. However watchdog_thresh only
uses 0 to disable detection, and setting it to -1 just froze my
box and nothing I can do but reboot.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Link: http://lkml.kernel.org/r/51959668.9040106@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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