Commit 47ff5c95 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

printk, lockdep: Remove superfluous preempt_disable() 



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

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 94d24fc4

kernel/printk.c

+0 −2
Original line number Diff line number Diff line
@@ -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);