Messages in this thread | | | Date | Thu, 21 Feb 2008 23:24:18 -0800 | From | Andrew Morton <> | Subject | Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc |
| |
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??
| |