From: Tim Deegan <Tim.Deegan@citrix.com>
Date: Thu, 10 Feb 2011 08:50:41 +0000 (+0000)
Subject: fix jiffy calculations in calibrate_delay_direct to handle overflow
X-Git-Tag: v2.6.38-rc5~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70a062286b9dfcbd24d2e11601aecfead5cf709a;p=pandora-kernel.git

fix jiffy calculations in calibrate_delay_direct to handle overflow

Fixes a hang when booting as dom0 under Xen, when jiffies can be
quite large by the time the kernel init gets this far.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
[jbeulich@novell.com: !time_after() -> time_before_eq() as suggested by Jiri Slaby]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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