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Re: kern/39349 (cpu affinity can make lwps non-schedulable)
The following reply was made to PR kern/39349; it has been noted by GNATS.
From: Mindaugas Rasiukevicius <rmind%NetBSD.org@localhost>
To: thorpej%shagadelic.org@localhost, yamt%mwd.biglobe.ne.jp@localhost
Cc: netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: Re: kern/39349 (cpu affinity can make lwps non-schedulable)
Date: Tue, 30 Sep 2008 17:46:31 +0100
> State-Changed-From-To: open->analyzed
> State-Changed-By: rmind%NetBSD.org@localhost
> State-Changed-When: Tue, 30 Sep 2008 16:32:24 +0000
> Problem is clear, quick fix is commited. Decision what to do with already
> bound threads should be made to make a full fix.
Jason Thorpe <thorpej%shagadelic.org@localhost> wrote:
> Probably need to prevent binding to CPUs that have been taking
> offline. But what to do about CPUs that already have bound threads
> (which is all of them, of course). Perhaps we need to make note when
> an LWP has taken a lock?
Perhaps disallow (return EBUSY) changing of CPU state to offline, while there
are bound threads? What do you think?
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