t pages is a very good idea on most embedded systems.
Getting the pages back is a (relatively) cheap operation: no disk seeks,
some joules spent on decompression (if on CRAMFS or other compressed file
system).
There is an interesting question on such devices as to whether you are
better off dropping
t; To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
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Jim Gettys
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Compaq Computer Corporation
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To unsu
is an exercise in avoiding system
calls"....
- Jim Gettys
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Jim Gettys
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as root (it seems there are many programs
> which are very good at this particular DOS ;)
>
This is generic to any server program, not unique to X.
Sounds like one needs in addition some mechanism for servers to "charge" clients for
consumption. X certainly knows on behalf of which c
t it sounded like things could become very interesting
with such a facility, and might be ripe for 2.5.
Keith, Stephen, Dave, do you remember the details of our discussion?
- Jim
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Jim Gettys
Technology and Corporate Development
Compaq Computer Corporation
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umber of DDX's are buggy).
- Jim
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Jim Gettys
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Compaq Computer Corporation
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> From: Linus Torvalds <[EMAIL PROTECTED]>
> Date: Mon, 9 Oct 2000 14:50:51 -0700 (PDT)
> To: Jim Gettys <[EMAIL PROTECTED]>
> Cc: Alan Cox <[EMAIL PROTECTED]>, Andi Kleen <[EMAIL PROTECTED]>,
> Ingo Molnar <[EMAIL PROTECTED]>, Andrea Arcangel
ented... Most memory usage is less monolithic than the
background pixmap.
And maintaining separate memory pools often wastes more memory than it
saves.
>
> Netscape could even be hacked to dump old junk... or if it is
> just too leaky, it could exec itself to fix the problem.
Netscape 4
Certainly replicating OpenGL 2.0's programmability through Render makes
no sense at all to me (or most others, I believe/hope). If you want to
use full use of the GPU, I'm happy to say you should be using OpenGL.
- Jim
On Tue, 2005-08-30 at 23:33 -0700, Allen Akin
Well, I'm sure you'll keep us honest... ;-).
- Jim
On Wed, 2005-08-31 at 12:06 -0700, Allen Akin wrote:
> On Wed, Aug 31, 2005 at 01:48:11PM -0400, Jim Gettys wrote:
> | Certainly replicating OpenGL 2.0's programmability through Render makes
> | no sen
On Thu, 2005-09-01 at 09:24 -0600, Brian Paul wrote:
>
> If the blending is for screen-aligned rects, glDrawPixels would be a
> far easier path to optimize than texturing. The number of state
> combinations related to texturing is pretty overwhelming.
>
>
> Anyway, I think we're all in agree
Not at all.
We're pursuing two courses of action right now, that are not mutually
exclusive.
Jon Smirl's argument is that we can satisfy both needs simultaneously
with a GL only strategy, and that doing two is counter productive,
primarily on available resource grounds.
My point is that I don't
life has been insane ever since. Most of the interesting
stuff is in the Wiki. And iPAQ's are not as unobtanium as they once were:
we're in really high volume production (>100K/month) but demand still
outstrips supply (sigh...).
Come join the party...
alue: the interesting
question is should there be general kernel facilities to make this easy
(we did it via ugly hacks on VAX and MIPS boxes) for kernel facilities
to provide.
"X is an exercise in avoiding system calls". I think I said this around
1984-1985.
27;t get to discuss the matter further
- Jim Gettys
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ead and used a long time ago...
- Jim
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n 1984
or thereabouts.
Of course, in 1996, XFree86 would have ignored any such interfaces, in
its insane quest for operating system independent user space drivers
requiring no standard kernel interfaces (it is the second part of
this where the true insanity lay).
non-trivial like that when the kernel is in this state.
>
> Mode switching on panic, just say no. :-)
>
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Jim Gettys
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up tables to some sane value, and halt
the GPU, and maybe worry about video overlays.
- Jim
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ot;interactive" processes that are being
cooperative.
- Jim
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