Re: Huge console switching lags

James Simmons (jsimmons@transvirtual.com)
Wed, 3 Oct 2001 09:58:30 -0700 (PDT)


> Well, there are indeed a few improvements to get with machine specific
> optimisations on unaccelerated framebuffer.
[snip]...

Neat trick. Please note also that no read operations to the framebuffer
are done by the fbcon layer. Such reads should be to the shadow buffers
(vc_screenbuffer) instead. Reading the framebuffer is a userland operation
and as such you really only tricks for reading in userland.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/