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Subject: Re: [patch] voluntary-preempt-2.6.8.1-P3
From: Lee Revell <rlrevell@joe-job.com>
To: Florian Schmidt <mista.tapas@gmx.net>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Charbonnel <thomas@undata.org>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
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On Thu, 2004-08-19 at 05:54, Florian Schmidt wrote:
> On Wed, 18 Aug 2004 14:27:03 +0200
> Ingo Molnar <mingo@elte.hu> wrote:
> 
> > 
> > * Florian Schmidt <mista.tapas@gmx.net> wrote:
> > 
> > > Hi, it applied against 2.6.8.1 with some offsets and some buzz [?].
> > > Well anyways it compiled fine and the copy_page_range latency is
> > > gone.. Now i also see the extracty entropy thing, too..
> > 
> > could you try the attached patch that changes SHA_CODE_SIZE to 3 -
> > does this reduce the latency caused by extract_entropy?
> 
> sorry, my box got fsck'ed. rebuilding system now. will be a day before i
> can resume testing..
> 

By any chance did you try the hack I posted to disable the random
driver?  I suspect that had subtle effects that hosed my machine.  I did
not have to rebuild it from scratch, but it was close.  Things would
break and then start working again after a reboot or two for no reason.

Lee