From: Jacob Shin <jacob.shin@amd.com>
Date: Sun, 21 Apr 2013 18:06:27 +0000 (-0500)
Subject: perf/x86/amd: Fix AMD NB and L2I "uncore" support
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~119^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94f4db3590893c600506105b88dab581c7f6f5c8;p=pandora-kernel.git

perf/x86/amd: Fix AMD NB and L2I "uncore" support

Borislav Petkov reported a lockdep splat warning about kzalloc()
done in an IPI (hardirq) handler.

This is a real bug, do not call kzalloc() in a smp_call_function_single()
handler because it can schedule and crash.

Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Tested-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: <eranian@google.com>
Cc: <a.p.zijlstra@chello.nl>
Cc: <acme@ghostprotocols.net>
Cc: <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20130421180627.GA21049@jshin-Toonie
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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