diff options
author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:09:59 -0500 |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:09:59 -0500 |
commit | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (patch) | |
tree | da3aa535c98cc0957851354ceb0fbff7482d7a9d /kernel/printk.c | |
parent | 1a1689344add3333d28d1b5495d8043a3877d01c (diff) | |
parent | 4409d28140d9a6e6e3f4f1fdaf7234c4b965d954 (diff) |
Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream
Diffstat (limited to 'kernel/printk.c')
-rw-r--r-- | kernel/printk.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index c770e1a4e882..0c151877ff71 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -483,7 +483,7 @@ static int have_callable_console(void) * printk - print a kernel message * @fmt: format string * - * This is printk. It can be called from any context. We want it to work. + * This is printk(). It can be called from any context. We want it to work. * * We try to grab the console_sem. If we succeed, it's easy - we log the output and * call the console drivers. If we fail to get the semaphore we place the output @@ -529,7 +529,7 @@ asmlinkage int vprintk(const char *fmt, va_list args) zap_locks(); /* This stops the holder of console_sem just where we want him */ - local_irq_save(flags); + raw_local_irq_save(flags); lockdep_off(); spin_lock(&logbuf_lock); printk_cpu = smp_processor_id(); @@ -618,7 +618,7 @@ asmlinkage int vprintk(const char *fmt, va_list args) up(&console_sem); } lockdep_on(); - local_irq_restore(flags); + raw_local_irq_restore(flags); } else { /* * Someone else owns the drivers. We drop the spinlock, which @@ -628,7 +628,7 @@ asmlinkage int vprintk(const char *fmt, va_list args) printk_cpu = UINT_MAX; spin_unlock(&logbuf_lock); lockdep_on(); - local_irq_restore(flags); + raw_local_irq_restore(flags); } preempt_enable(); @@ -783,6 +783,12 @@ int is_console_locked(void) return console_locked; } +void wake_up_klogd(void) +{ + if (!oops_in_progress && waitqueue_active(&log_wait)) + wake_up_interruptible(&log_wait); +} + /** * release_console_sem - unlock the console system * @@ -825,8 +831,8 @@ void release_console_sem(void) console_locked = 0; up(&console_sem); spin_unlock_irqrestore(&logbuf_lock, flags); - if (wake_klogd && !oops_in_progress && waitqueue_active(&log_wait)) - wake_up_interruptible(&log_wait); + if (wake_klogd) + wake_up_klogd(); } EXPORT_SYMBOL(release_console_sem); |