Re: [PATCH 1/4] printk: Re-add irqsave/restore in printk_sched

[Peter Zijlstra]

On Sun, May 04, 2014 at 04:58:47PM +0200, Jan Kara wrote:
> On Fri 02-05-14 15:09:15, John Stultz wrote:
> > A commit in akpm's tree (printk: remove separate printk_sched
> > buffers...), removed the printk_sched irqsave/restore lines
> > since it was safe for current users. Since we may be expanding
> > usage of printk_sched(), re-add the irqsave/restore logic
> > to make the functionality more generally safe.
>   So I'm just wondering: Do you have anything particular for which you need
> interrupts disabled? Won't e.g. disabling preemption be enough?

Yeah, I think preemption disabled is sufficient.
--
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/