From: Chris Metcalf Date: Tue, 19 Mar 2013 11:35:58 +0000 (+0000) Subject: dynticks: avoid flow_cache_flush() interrupting every core X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~395 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8fdc929f5727d999d11ba3763b92f6eeacc096f9;p=pandora-kernel.git dynticks: avoid flow_cache_flush() interrupting every core Previously, if you did an "ifconfig down" or similar on one core, and the kernel had CONFIG_XFRM enabled, every core would be interrupted to check its percpu flow list for items that could be garbage collected. With this change, we generate a mask of cores that actually have any percpu items, and only interrupt those cores. When we are trying to isolate a set of cpus from interrupts, this is important to do. Signed-off-by: Chris Metcalf Signed-off-by: David S. Miller --- Reading git-diff-tree failed