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

Input: remove useless synchronize_rcu() calls

Browse Source 
There is no need to call synchronize_rcu() after a list insertion,
or a NULL->ptr assignment.

However, the reverse operations do need this call.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Eric Dumazet
2011-05-11 15:38:10 -07:00
committed by Dmitry Torokhov
parent 1201e7e676
commit 7cbbb758d3
4 changed files with 0 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/input/joydev.c
View File

@@ -180,7 +180,6 @@ static void joydev_attach_client(struct joydev *joydev,
spin_lock(&joydev->client_lock);
list_add_tail_rcu(&client->node, &joydev->client_list);
spin_unlock(&joydev->client_lock);
synchronize_rcu();
}
static void joydev_detach_client(struct joydev *joydev,