From: Andi Kleen <ak@suse.de>
To: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: linux-kernel@vger.kernel.org,
Christoph Lameter <clameter@engr.sgi.com>,
discuss@x86-64.org,
"Shai Fultheim (Shai@scalex86.org)" <shai@scalex86.org>,
Alok Kataria <alokk@calsoftinc.com>,
tony.luck@intel.com
Subject: Re: [patch] Fix the node cpumask of a cpu going down
Date: Sun, 22 Jan 2006 22:21:55 +0100 [thread overview]
Message-ID: <200601222221.56587.ak@suse.de> (raw)
In-Reply-To: <20060121015633.GD3573@localhost.localdomain>
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
prev parent reply other threads:[~2006-01-22 22:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-21 1:56 [patch] Fix the node cpumask of a cpu going down Ravikiran G Thirumalai
2006-01-22 21:21 ` Andi Kleen [this message]
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