Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable

[Peter Zijlstra]

On Fri, Dec 18, 2015 at 12:29:02PM +0100, Peter Zijlstra wrote:
> On Fri, Dec 18, 2015 at 10:18:08AM +0000, Daniel Thompson wrote:
> > I'm not entirely sure that this is an improvement.
> 
> What I do these days is delete everything in vprintk_emit() and simply
> call early_printk().

On that, whoever made the device model use vprintk_emit() broke the
debugger (KGDB/KDB) printk intercept, and the whole vprintk_func
redirection scheme.
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