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| author | Jacob Shin <jacob.shin@amd.com> | 2013-04-21 13:06:27 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-04-22 10:10:55 +0200 |
| commit | 94f4db3590893c600506105b88dab581c7f6f5c8 (patch) | |
| tree | 0208cf22b67cd57f69bf21c5dbf37b51fad35eb5 /drivers/usb/musb/cppi_dma.c | |
| parent | 0cf5f4323b1b51ecca3e952f95110e03ea611882 (diff) | |
| download | op-kernel-dev-94f4db3590893c600506105b88dab581c7f6f5c8.zip op-kernel-dev-94f4db3590893c600506105b88dab581c7f6f5c8.tar.gz | |
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>
Diffstat (limited to 'drivers/usb/musb/cppi_dma.c')
0 files changed, 0 insertions, 0 deletions
