diff options
| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-02-05 21:17:20 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-05 21:17:20 +0100 |
| commit | c48e09131bd7c632c80a3245688d2d29dbc4f6b5 (patch) | |
| tree | 75ba8b96271121ae64724e967024bcc02b01e0ee /drivers | |
| parent | [S390] cio: Use device_{create,remove}_bin_file. (diff) | |
| download | linux-dev-c48e09131bd7c632c80a3245688d2d29dbc4f6b5.tar.xz linux-dev-c48e09131bd7c632c80a3245688d2d29dbc4f6b5.zip | |
[S390] Small barrier() and cpu_relax() cleanup.
cpu_relax() has barrier() semantics hence there is no need to use both
of them in conjunction in sclp_sync_wait(). Also change cpu_relax()
so it's more obvious that it has barrier semantics.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/char/sclp.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 027cdc18df31..c1dd19bb7bf8 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -433,7 +433,6 @@ sclp_sync_wait(void) get_clock() > timeout && del_timer(&sclp_request_timer)) sclp_request_timer.function(sclp_request_timer.data); - barrier(); cpu_relax(); } local_irq_disable(); |