From: Greg KH <greg@kroah.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linas@austin.ibm.com, Patrick Mochel <mochel@digitalimplant.org>
Subject: Re: [PATCH] Add pci_walk_bus function to PCI core (nonrecursive)
Date: Wed, 17 Aug 2005 22:13:01 -0700 [thread overview]
Message-ID: <20050818051301.GB29301@kroah.com> (raw)
In-Reply-To: <1124341108.8849.75.camel@gaston>
On Thu, Aug 18, 2005 at 02:58:28PM +1000, Benjamin Herrenschmidt wrote:
> I wonder if it's finally time to implement proper race free list
> iterators in the kernel. Not that difficult... A small struct iterator
> with a list head and the current elem pointer, and the "interated" list
> containing the list itself, a list of iterators and a lock. Iterators
> can then be "fixed" up on element removal with a fine grained lock on
> list structure access.
Pat tried to do that with klist, but people seem to think it's still
racy in some corner cases. Have you looked at them?
thanks,
greg k-h
next prev parent reply other threads:[~2005-08-18 5:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-18 4:33 [PATCH] Add pci_walk_bus function to PCI core (nonrecursive) Paul Mackerras
2005-08-18 4:58 ` Benjamin Herrenschmidt
2005-08-18 5:13 ` Greg KH [this message]
2005-08-18 8:02 ` Benjamin Herrenschmidt
2005-08-19 16:30 ` Linas Vepstas
2005-08-20 0:10 ` Benjamin Herrenschmidt
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