From: Tony Luck <tony.luck@intel.com>
To: Nathan Lynch <ntl@pobox.com>
Cc: linux-kernel@vger.kernel.org, Ben Collins <bcollins@debian.org>,
Andrew Morton <akpm@osdl.org>,
ashok.raj@intel.com
Subject: Re: [PATCH] fix workqueue oops during cpu offline
Date: Thu, 5 Jan 2006 13:45:50 -0800 [thread overview]
Message-ID: <12c511ca0601051345pee8d8wc735507d361fa65e@mail.gmail.com> (raw)
In-Reply-To: <20060105045810.GE16729@localhost.localdomain>
On 1/4/06, Nathan Lynch <ntl@pobox.com> wrote:
> This is where things go wrong -- any_online_cpu() now gets 1, not 0.
> In queue_work, the cpu_workqueue_struct at per_cpu_ptr(wq->cpu_wq, 1) is
> uninitialized.
Same issue on ia64 when I tried to add Ashok' s patch to allow
removal of cpu0 (BSP in ia64-speak). Ashok told me that this fix
solves the problem for us too.
-Tony
next prev parent reply other threads:[~2006-01-05 21:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-05 4:58 Nathan Lynch
2006-01-05 5:58 ` Nigel Cunningham
2006-01-05 6:03 ` Benjamin Herrenschmidt
2006-01-05 14:30 ` Ben Collins
2006-01-05 21:45 ` Tony Luck [this message]
2006-01-05 22:42 ` Ashok Raj
2006-01-05 23:18 ` Nathan Lynch
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