On Tue, 23 Jun 2009, Benjamin Herrenschmidt wrote:
>
> As far as I can remember, all fbdev operations are done under the
> console semaphore.
Yeah, and some of them are horribly broken (ie copying data from user
space while doing it - causing horrible things like VC switching latencies
and invisible printk's if an oops happens during the op).
Or maybe that got fixed.
Linus
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