diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /drivers/s390/char/sclp.c | |
| parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
| parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'drivers/s390/char/sclp.c')
| -rw-r--r-- | drivers/s390/char/sclp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 3c8b25e6c34..1fd8f2193ed 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -399,6 +399,7 @@ sclp_tod_from_jiffies(unsigned long jiffies) void sclp_sync_wait(void) { + unsigned long long old_tick; unsigned long flags; unsigned long cr0, cr0_sync; u64 timeout; @@ -419,11 +420,12 @@ sclp_sync_wait(void) if (!irq_context) local_bh_disable(); /* Enable service-signal interruption, disable timer interrupts */ + old_tick = local_tick_disable(); trace_hardirqs_on(); __ctl_store(cr0, 0, 0); cr0_sync = cr0; + cr0_sync &= 0xffff00a0; cr0_sync |= 0x00000200; - cr0_sync &= 0xFFFFF3AC; __ctl_load(cr0_sync, 0, 0); __raw_local_irq_stosm(0x01); /* Loop until driver state indicates finished request */ @@ -439,9 +441,9 @@ sclp_sync_wait(void) __ctl_load(cr0, 0, 0); if (!irq_context) _local_bh_enable(); + local_tick_enable(old_tick); local_irq_restore(flags); } - EXPORT_SYMBOL(sclp_sync_wait); /* Dispatch changes in send and receive mask to registered listeners. */ |