From: Andi Kleen <ak@suse.de>
To: Ravikiran G Thirumalai <kiran@scalex86.org>
Subject: Re: [patch] Fix the node cpumask of a cpu going down
Date: Sun, 22 Jan 2006 22:21:55 +0100
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       "Shai Fultheim (Shai@scalex86.org)" <shai@scalex86.org>,
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On Saturday 21 January 2006 02:56, Ravikiran G Thirumalai wrote:
> Currently, x86_64 and ia64 arches do not clear the corresponding bits 
> in the node's cpumask when a cpu goes down or cpu bring up is cancelled.  
> This is buggy since there are pieces of common code where the cpumask is
> checked in the cpu down code path to decide on things (like in  the slab
> down path).  PPC does the right thing, but x86_64 and ia64 don't (This 
> was the reason Sonny hit upon a slab bug during cpu offline on ppc and
> could not reproduce on other arches).  This patch fixes it for x86_64. 
> I won't attempt ia64 as I cannot test it.  

Added thanks.

-Andi

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