Messages in this thread | | | Date | Wed, 14 Dec 2011 10:43:08 +0000 | From | Alan Cox <> | Subject | Re: printk() vs tty_io |
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On Tue, 13 Dec 2011 15:52:35 -0800 Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Tue, Dec 13, 2011 at 11:33 AM, Peter Zijlstra <peterz@infradead.org> wrote: > > > > I've been poking at reducing the constraints on printk(), like make it > > work under rq->lock etc.. > > You aren't supposed register a console that wakes things up. But the > only console that honors that afaik is the traditional vt console. > *Maybe* the network console, I didn't check.
Serial console tries to be good as does netconsole. Serial USB console can't so just does its best.
Not sure about some of the DRM framebuffer ones either.
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