xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

events: Replace synchronize_sched() with synchronize_rcu()

Browse Source 
Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu().  This commit therefore makes this change.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Paul E. McKenney
2018-11-06 19:20:05 -08:00
parent 25b0077511
commit 0809d95451
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/events/core.c
View File

@@ -9918,7 +9918,7 @@ static void account_event(struct perf_event *event)
* call the perf scheduling hooks before proceeding to * call the perf scheduling hooks before proceeding to
* install events that need them. * install events that need them.
*/ */
synchronize_sched(); synchronize_rcu();
} }
/* /*
* Now that we have waited for the sync_sched(), allow further * Now that we have waited for the sync_sched(), allow further