diff options
| author | Will Deacon <will.deacon@arm.com> | 2018-04-26 11:34:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-27 09:48:49 +0200 |
| commit | f9c811fac48cfbbfb452b08d1042386947868d07 (patch) | |
| tree | 4e9d9b9c401574c4164802a272d0b6e7a6942b7a /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | c61da58d8a9ba9238250a548f00826eaf44af0f7 (diff) | |
locking/qspinlock: Use atomic_cond_read_acquire()
Rather than dig into the counter field of the atomic_t inside the
qspinlock structure so that we can call smp_cond_load_acquire(), use
atomic_cond_read_acquire() instead, which operates on the atomic_t
directly.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Waiman Long <longman@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: boqun.feng@gmail.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1524738868-31318-8-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions