diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-16 07:33:50 -0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-16 07:33:50 -0200 |
| commit | 6aaf05f472c97ebceff47d9eef464574f1a55727 (patch) | |
| tree | 13f96f8098f111ff63a2e53ae366d563d55d6e9f /drivers/s390/crypto/ap_bus.c | |
| parent | ff0ff78068dd8a962358dbbdafa9d6f24540d3e5 (diff) | |
| parent | f6bf1a8acd2cb3a92a7b7c9ab03e56a32ac5ece5 (diff) | |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] topology: fix topology on z10 machines
[S390] crypto: avoid MSA3 and MSA4 instructions in ESA mode
[S390] avoid STCKF if running in ESA mode
[S390] zfcpdump: Do not initialize zfcpdump in kdump mode
[S390] ap: Setup processing for messages in request queue.
[S390] Kconfig: Select CONFIG_KEXEC for CONFIG_CRASH_DUMP
[S390] incorrect note program header
[S390] pfault: ignore leftover completion interrupts
[S390] fix pgste update logic
[S390] wire up process_vm syscalls
Diffstat (limited to 'drivers/s390/crypto/ap_bus.c')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index b77ae519d79..ec94f049e99 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1271,18 +1271,16 @@ ap_config_timeout(unsigned long ptr) } /** - * ap_schedule_poll_timer(): Schedule poll timer. + * __ap_schedule_poll_timer(): Schedule poll timer. * * Set up the timer to run the poll tasklet */ -static inline void ap_schedule_poll_timer(void) +static inline void __ap_schedule_poll_timer(void) { ktime_t hr_time; spin_lock_bh(&ap_poll_timer_lock); - if (ap_using_interrupts() || ap_suspend_flag) - goto out; - if (hrtimer_is_queued(&ap_poll_timer)) + if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag) goto out; if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) { hr_time = ktime_set(0, poll_timeout); @@ -1294,6 +1292,18 @@ out: } /** + * ap_schedule_poll_timer(): Schedule poll timer. + * + * Set up the timer to run the poll tasklet + */ +static inline void ap_schedule_poll_timer(void) +{ + if (ap_using_interrupts()) + return; + __ap_schedule_poll_timer(); +} + +/** * ap_poll_read(): Receive pending reply messages from an AP device. * @ap_dev: pointer to the AP device * @flags: pointer to control flags, bit 2^0 is set if another poll is @@ -1374,8 +1384,9 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags) *flags |= 1; *flags |= 2; break; - case AP_RESPONSE_Q_FULL: case AP_RESPONSE_RESET_IN_PROGRESS: + __ap_schedule_poll_timer(); + case AP_RESPONSE_Q_FULL: *flags |= 2; break; case AP_RESPONSE_MESSAGE_TOO_BIG: |