diff options
author | Steven Rostedt <rostedt@goodmis.org> | 2012-03-01 13:55:32 -0500 |
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committer | Clark Williams <williams@redhat.com> | 2012-04-10 16:41:05 -0500 |
commit | c4566dbc941cc5cc8ed7607281fb2f2201325d0d (patch) | |
tree | 4f72bdcde766df17ba3427f690c7c2246f695611 /lib/mpi/mpi-scan.c | |
parent | 7c676452d4de3e8fc69aaa5f4eca193c403e1eef (diff) |
ring-buffer/rt: Check for irqs disabled before grabbing reader lock
In RT the reader lock is a mutex and we can not grab it when preemption is
disabled. The in_atomic() check that is there does not check if irqs are
disabled. Add that check as well.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Carsten Emde <C.Emde@osadl.org>
Cc: John Kacur <jkacur@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Clark Williams <clark.williams@gmail.com>
Cc: stable-rt@vger.kernel.org
Link: http://lkml.kernel.org/r/20120301190345.786365803@goodmis.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib/mpi/mpi-scan.c')
0 files changed, 0 insertions, 0 deletions