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


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