On Mon, 22 Jun 2009, Thomas Hellström wrote:
>
> It would be very helpful if we could introduce an fbdev mutex that protects
> fbdev accesses to the kernel map and to the fbdev acceleration functions.
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).
Linus
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