Messages in this thread | | | Date | Wed, 21 Aug 2013 15:24:53 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH 4/4] printk: Use unbound irq work for printing and waking |
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On Wed, 21 Aug 2013 10:08:32 +0200 Jan Kara <jack@suse.cz> wrote:
> Now when per-cpu printk buffers are gone, there's no need to have printk > flags or printk irq_work per cpu. Just make printk_pending a single > variable operated by atomic operations and have single unbound irq work > doing the waking and printing. This has an advantage that any cpu can do the > printing / wakeup work thus lowering the latency of printing and better > distributing the printing work over cpus. > > Signed-off-by: Jan Kara <jack@suse.cz> > ---
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
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