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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 <>
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:
 > State-Changed-When: Tue, 30 Sep 2008 16:32:24 +0000
 > State-Changed-Why:
 > 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 <> 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?
 Best regards,

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