Re: [git pull] drm: previous pull req + 1.
From: Benjamin Herrenschmidt
Date: Mon Jun 22 2009 - 20:26:05 EST
On Mon, 2009-06-22 at 11:22 -0700, Linus Torvalds wrote:
> Not going to happen.
> Why? 'printk'.
> If you can't handle printk, then you're basically useless. And printk
> absolutely -has- to work in bad situations (the most important
> messages could happen in any context).
Well... yes and no. If X is frontmost, printk is not going to be
printed, ie, I'm talking about today, when the console is !KD_TEXT.
There -is- a mechanism to deal with these things today, and the console
semaphore does take care of accesses to the fb.
(That doesn't exclude having the ability to force-switch back to kernel
fb for printing things like oops btw, which KMS could do, but for basic
access control, it makes sense).
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