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printk, lockdep: Remove superfluous preempt_disable()

Browse source 
The raw_lock_irq_{save,restore}() already implies a
non-preemptibility.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2011-06-07 11:17:30 +02:00 committed by Ingo Molnar
parent 94d24fc472
commit 47ff5c95db
1 changed files with 0 additions and 2 deletions
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2
kernel/printk.c
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@ -841,7 +841,6 @@ asmlinkage int vprintk(const char *fmt, va_list args)
boot_delay_msec();
printk_delay();
preempt_disable();
/* This stops the holder of console_sem just where we want him */
raw_local_irq_save(flags);
this_cpu = smp_processor_id();
@ -965,7 +964,6 @@ asmlinkage int vprintk(const char *fmt, va_list args)
out_restore_irqs:
raw_local_irq_restore(flags);
preempt_enable();
return printed_len;
}
EXPORT_SYMBOL(printk);