From: Andrew Morton <akpm@linux-foundation.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Giani <dhaval@linux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linuxppc-dev@ozlabs.org, Ingo Molnar <mingo@elte.hu>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
Dhaval, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc
Date: Thu, 21 Feb 2008 23:24:18 -0800 [thread overview]
Message-ID: <20080221232418.b93db8d9.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080219083633.GN23197@kernel.dk>
On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe <jens.axboe@oracle.com> wrote:
> But I think the radix 'scan over entire tree' is a bit fragile.
eek, it had better not be. Was this an error in the caller? Hope so.
> This
> patch adds a parallel hlist for ease of properly browsing the members,
Even though io_contexts are fairly uncommon, adding more stuff to a data
structure was a pretty sad alternative to fixing a bug in
radix_tree_gang_lookup(), or to fixing a bug in a caller of it.
IOW: what exactly went wrong here??
next prev parent reply other threads:[~2008-02-22 7:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <alpine.LFD.1.00.0802151302210.9496@woody.linux-foundation.org>
2008-02-16 6:10 ` [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc Kamalesh Babulal
2008-02-17 19:29 ` Jens Axboe
2008-02-19 8:04 ` KAMEZAWA Hiroyuki
2008-02-19 8:36 ` Jens Axboe
2008-02-19 8:47 ` KAMEZAWA Hiroyuki
2008-02-19 8:58 ` Jens Axboe
2008-02-19 9:07 ` KAMEZAWA Hiroyuki
2008-02-19 9:09 ` Jens Axboe
2008-02-19 9:02 ` KAMEZAWA Hiroyuki
2008-02-19 9:01 ` Jens Axboe
2008-02-19 13:19 ` Kamalesh Babulal
2008-02-22 7:24 ` Andrew Morton [this message]
2008-02-22 7:40 ` Jens Axboe
2008-02-17 20:08 ` Rafael J. Wysocki
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