Commit-ID: 47ff5c95db598184122aa634fa3452c0eecea877
Gitweb: http://git.kernel.org/tip/47ff5c95db598184122aa634fa3452c0eecea877
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Tue, 7 Jun 2011 11:17:30 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 14 Nov 2011 13:35:18 +0100
printk, lockdep: Remove superfluous preempt_disable()
The raw_lock_irq_{save,restore}() already implies a
non-preemptibility.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
kernel/printk.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/kernel/printk.c b/kernel/printk.c
index 6d08794..ba5ee04 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -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);
--
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