perf: Reduce perf_disable() usage
Since the current perf_disable() usage is only an optimization,
remove it for now. This eases the removal of the __weak
hw_perf_enable() interface.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: paulus <paulus@samba.org>
Cc: stephane eranian <eranian@googlemail.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Yanmin <yanmin_zhang@linux.intel.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Cc: David Miller <davem@davemloft.net>
Cc: Michael Cree <mcree@orcon.net.nz>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index ab72f56..243286a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -564,26 +564,26 @@
struct list_head entry;
/*
- * Should return -ENOENT when the @event doesn't match this pmu
+ * Should return -ENOENT when the @event doesn't match this PMU.
*/
int (*event_init) (struct perf_event *event);
- int (*enable) (struct perf_event *event);
+ int (*enable) (struct perf_event *event);
void (*disable) (struct perf_event *event);
- int (*start) (struct perf_event *event);
+ int (*start) (struct perf_event *event);
void (*stop) (struct perf_event *event);
void (*read) (struct perf_event *event);
void (*unthrottle) (struct perf_event *event);
/*
- * Group events scheduling is treated as a transaction, add group
- * events as a whole and perform one schedulability test. If the test
- * fails, roll back the whole group
+ * Group events scheduling is treated as a transaction, add
+ * group events as a whole and perform one schedulability test.
+ * If the test fails, roll back the whole group
*/
/*
- * Start the transaction, after this ->enable() doesn't need
- * to do schedulability tests.
+ * Start the transaction, after this ->enable() doesn't need to
+ * do schedulability tests.
*/
void (*start_txn) (struct pmu *pmu);
/*
@@ -594,8 +594,8 @@
*/
int (*commit_txn) (struct pmu *pmu);
/*
- * Will cancel the transaction, assumes ->disable() is called for
- * each successfull ->enable() during the transaction.
+ * Will cancel the transaction, assumes ->disable() is called
+ * for each successfull ->enable() during the transaction.
*/
void (*cancel_txn) (struct pmu *pmu);
};