On Fri, 2005-12-16 at 08:00 -0800, Linus Torvalds wrote:
> I _think_ some drivers effectively already do this when they enable direct
> rendering. The DRI layer does have the capability, and with many (most?)
> cards the X server actually needs to use the kernel interfaces for 2D too,
> just be
On Fri, 16 Dec 2005, Martin Konold wrote:
>
> Am Freitag, 16. Dezember 2005 05:07 schrieb Jim Gettys:
> > What's needed is a bit of help in a kernel driver, so when the graphics
> > hardware is busy, we can be kind enough to give you the CPU back (along
> > with what to do when the hardware is ne
Am Freitag, 16. Dezember 2005 05:07 schrieb Jim Gettys:
Linus,
> What's needed is a bit of help in a kernel driver, so when the graphics
> hardware is busy, we can be kind enough to give you the CPU back (along
> with what to do when the hardware is next free so we can keep the
> hardware busy ra
Linus,
I think there may be other things going on here.
X behavior is, at the moment, in its current incarnation, completely,
totally braindead. It doesn't have to be this way.
X is busywaiting on registers in *user* space; so the kernel thinks it
is a hoggish process, so its priority gets dump
On Wed, 14 Dec 2005, Keith Packard wrote:
>
> > Quite frankly, the simplest solution by far would be that X used a real
> > thread for mouse handling (and possibly other things, but mouse screen
> > updates really do tend to be special. I don't think X uses signals for
> > anything else than
On Tue, 2005-12-13 at 22:38 -0800, Linus Torvalds wrote:
>
> Now it's not idle any more. The "select()" will have exited, but X now has
> an agenda: it needs to inform all the clients that the mouse has moved.
> That basically ends up looping over the internal X client list, and for
> each cli
On Tue, 13 Dec 2005, Nat Friedman wrote:
>
> I'll happily wear the "feature slut" t-shirts with pride now. And
> Linus, once my mouse button stops jerking when I copy big files, I'll
> add a GUI for you. ;-)
Ok, I can tell you why I think it jerks around, you can make suggestions..
S
