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From: mgross <mgross@unix-os.sc.intel.com>
Reply-To: mgross@unix-os.sc.intel.com
Organization: SSG Intel
To: Linus Torvalds <torvalds@transmeta.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH]: scheduler complex macros fixes
Date: Fri, 19 Jul 2002 10:54:18 -0400
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Cc: Erich Focht <efocht@ess.nec.de>,
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On Friday 19 July 2002 01:28 pm, Linus Torvalds wrote:
> On Sat, 20 Jul 2002, Ingo Molnar wrote:
> >?well, SCHED_BATCH is in fact ready, so we might as well put it in. All
> > the suggestions mentioned on lkml (or in private) are now included, there
> > are no pending (known) problems, no objections, and a number of people
> > are using it with success.
>
> Well, I do actually have objections, mainly because I think it modifies
> code that I'd rather have cleaned up in other ways _first_ (ie the return
> path to user mode, which has pending irq_count/bh_count/preempt issues
> that I consider to be about a million times more important than batch
> scheduling).
>

Thats too bad.  I've been looking at Ingo's SCHED_BATCH design to help 
suspend processes with out lock problems while doing multithreaded core 
dumps.  

Is there any ETA on the return path to user mode clean up?

--mgross
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