linux-kernel - Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1)

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Message-ID: <20070731101133.5ae6ac79@the-village.bc.nu>
Date:	Tue, 31 Jul 2007 10:11:33 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Kasper Sandberg <lkml@...anurb.dk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ck@....kolivas.org
Subject: Re: SD still better than CFS for 3d   ?(was Re: 2.6.23-rc1)

> code runs under the BKL, and the only other major kernel infrastructure 
> that has BKL dependencies is the TTY code. Kasper, as a debugging 

And half the ioctls some of which trigger long code sections.

For the tty layer I'm waiting for the revoke code to get finished up and
move from -mm into Linus tree. At that point the real evil lock_kernel
related stuff in the tty layer can switch to using the revoke code for
hangup paths and then other bits can be tackled.

Alan
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