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perf machine: Stop accessing atomic_t::counter directly 

Use atomic_read(&counter) instead.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-k3hvfvpaut8wp02lzq27muhb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-05-15 15:32:55 -03:00
parent 848cbd2562
commit 59a51c1dc9
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/machine.c
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@ -1311,7 +1311,7 @@ static void __machine__remove_thread(struct machine *machine, struct thread *th,
if (machine->last_match == th)
machine->last_match = NULL;
BUG_ON(th->refcnt.counter == 0);
BUG_ON(atomic_read(&th->refcnt) == 0);
if (lock)
pthread_rwlock_wrlock(&machine->threads_lock);
rb_erase(&th->rb_node, &machine->threads);