linux-kernel - Re: RSDL v0.31

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 17 Mar 2007 08:13:31 +1100
From:	Con Kolivas <kernel@...ivas.org>
To:	Mike Galbraith <efault@....de>
Cc:	ck@....kolivas.org, Ingo Molnar <mingo@...e.hu>,
	Al Boldi <a1426z@...ab.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: RSDL v0.31

On Saturday 17 March 2007 02:34, Mike Galbraith wrote:
> On Sat, 2007-03-17 at 00:40 +1100, Con Kolivas wrote:
> > Here are full patches for rsdl 0.31 for various base kernels. A full
> > announce with a fresh -mm series will follow...
> >
> > http://ck.kolivas.org/patches/staircase-deadline/2.6.20.3-rsdl-0.31.patch
> > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-sched-rsdl-0.
> >31.patch
> > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl-0.31
> >.patch
>
> It still has trouble with the x/gforce vs two niced encoders scenario.
> The previously reported choppiness is still present.
>
> I suspect that x/gforce landing in the expired array is the trouble, and
> that this will never be smooth without some kind of exemption.  I added
> some targeted unfairness to .30, and it didn't help much at all.
>
> Priorities going all the way to 1 were a surprise.

It wasn't going to change that case without renicing X. I said that from the 
start to maintain fairness it's the only way to keep a fair design, and give 
more cpu to X. The major difference in this one is the ability to run 
different nice values without killing the latency of the relatively niced 
ones.

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