From: Borislav Petkov Date: Mon, 1 Dec 2014 10:12:21 +0000 (+0100) Subject: x86, microcode, AMD: Do not use smp_processor_id() in preemtible context X-Git-Tag: omap-for-v3.20/drop-legacy-3517~148^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ef84b3bb97f03332f0c1edb4466b1750dcf97b5;p=pandora-kernel.git x86, microcode, AMD: Do not use smp_processor_id() in preemtible context Hand down the cpu number instead, otherwise lockdep screams when doing echo 1 > /sys/devices/system/cpu/microcode/reload. BUG: using smp_processor_id() in preemptible [00000000] code: amd64-microcode/2470 caller is debug_smp_processor_id+0x12/0x20 CPU: 1 PID: 2470 Comm: amd64-microcode Not tainted 3.18.0-rc6+ #26 ... Signed-off-by: Borislav Petkov Link: http://lkml.kernel.org/r/1417428741-4501-1-git-send-email-bp@alien8.de Signed-off-by: Thomas Gleixner --- Reading git-diff-tree failed