From: Nathan Lynch Date: Tue, 7 Feb 2006 04:44:23 +0000 (-0600) Subject: [PATCH] powerpc: avoid timer interrupt replay effect when onlining cpu X-Git-Tag: v2.6.16-rc3~67^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d4d61544a12333600bdb9b018a149868418692e;p=pandora-kernel.git [PATCH] powerpc: avoid timer interrupt replay effect when onlining cpu When a cpu is hotplug-onlined, if we don't set per_cpu(last_jiffy) to something sane, timer_interrupt will execute its while loop for every tick missed since the cpu was last online (or since the system was booted, if we're adding a new cpu). This can cause weird hangs, ssh sessions dropping, and we can even go xmon if we take a global IPI at the wrong time. Signed-off-by: Nathan Lynch Signed-off-by: Paul Mackerras --- Reading git-diff-tree failed