Re: [RFC PATCH 00/11] printk: safe printing in NMI context

From: Steven Rostedt
Date: Wed Jun 18 2014 - 19:20:38 EST


On Wed, 18 Jun 2014 23:12:48 +0200 (CEST)
Jiri Kosina <jkosina@xxxxxxx> wrote:


> > I believe that this was what Steven was suggesting, though by using
> > tracing.
>
> My understanding was that Steven is suggesting using trace_printk() from
> NMI.

Not quite. I was suggesting using the ftrace ring buffer. It could have
its own way to write the stack and not depend on tracing itself.

-- Steve
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