Re: AIM7 40% regression with 2.6.26-rc1

[Linus Torvalds]

On Tue, 6 May 2008, Andrew Morton wrote:
> 
> down(), down_interruptible() and down_try() should use spin_lock_irq(), not
> irqsave.

down_trylock() is used in atomic code. See for example kernel/printk.c. So 
no, that one needs to be irqsafe.

		Linus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/