From: Christoph Lameter <clameter@sgi.com>
To: Paul Jackson <pj@sgi.com>
Cc: akpm@osdl.org, linuxppc-dev@ozlabs.org, ak@suse.com,
linux-kernel@vger.kernel.org
Subject: Re: Fw: 2.6.16 crashes when running numastat on p575
Date: Sun, 2 Apr 2006 22:25:16 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0604022224001.18401@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20060402221513.96f05bdc.pj@sgi.com>
On Sun, 2 Apr 2006, Paul Jackson wrote:
> - for (cpu = 0; cpu < NR_CPUS; cpu++) {
> + for_each_online_cpu(cpu) {
>
> Idle curiosity -- what keeps a cpu from going offline during
> this scan, and leaving us with the same crash as before?
Nothing keeps a processor from going offline. We could take the hotplug
lock for every for_each_online_cpu() in the kernel. Could you take that
up with the hotplug folks?
next prev parent reply other threads:[~2006-04-03 5:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060402213216.2e61b74e.akpm@osdl.org>
2006-04-03 5:12 ` Fw: 2.6.16 crashes when running numastat on p575 Christoph Lameter
2006-04-03 5:15 ` Paul Jackson
2006-04-03 5:25 ` Christoph Lameter [this message]
2006-04-03 6:43 ` Paul Jackson
2006-04-03 14:10 ` Nathan Lynch
2006-04-03 17:42 ` Christoph Lameter
2006-04-03 18:01 ` Nathan Lynch
2006-04-03 18:08 ` Christoph Lameter
2006-04-03 21:18 ` Andrew Morton
2006-04-04 0:25 ` Paul Jackson
2006-04-03 11:49 ` Andi Kleen
2006-04-03 14:18 ` Nathan Lynch
2006-04-03 8:09 ` Sonny Rao
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