From: Oleg Drokin Date: Sat, 1 Mar 2014 02:16:46 +0000 (-0500) Subject: lustre/libcfs: warn if all HTs in a core are gone X-Git-Tag: v3.15-rc1~139^2~761 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fd67d8581106f59fdfe07b283477ffd7864dbb9;p=pandora-kernel.git lustre/libcfs: warn if all HTs in a core are gone libcfs cpu partition can't support CPU hotplug, but it is safe when plug-in new CPU or enabling/disabling hyper-threading. It has potential risk only if plug-out CPU because it may break CPU affinity of Lustre threads. Current libcfs will print warning for all CPU notification, this patch changed this behavior and only output warning when we lost all HTs in a CPU core which may have broken affinity of Lustre threads. Signed-off-by: Liang Zhen Reviewed-on: http://review.whamcloud.com/8770 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4454 Reviewed-by: Bobi Jam Reviewed-by: Andreas Dilger Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- Reading git-diff-tree failed