fix jiffy calculations in calibrate_delay_direct to handle overflow
commitae03b63f92f15def03a7becb26e0d6513dc861a9
authorTim Deegan <Tim.Deegan@citrix.com>
Thu, 10 Feb 2011 08:50:41 +0000 (10 08:50 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 17 Feb 2011 23:14:34 +0000 (17 15:14 -0800)
treeaa89a064d1ddd64414ff63a7ec60c3f991e05923
parent23665d48ff8d48eaeae8f0f83b8c3a64805a42b6
fix jiffy calculations in calibrate_delay_direct to handle overflow

commit 70a062286b9dfcbd24d2e11601aecfead5cf709a upstream.

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
init/calibrate.c