From: Jeff Garzik <jgarzik@pobox.com>
To: Roland Dreier <roland@topspin.com>
Cc: long <tlnguyen@snoqualmie.dp.intel.com>,
akpm@osdl.org, greg@kroah.com, linux-kernel@vger.kernel.org,
tom.l.nguyen@intel.com
Subject: Re: [PATCH]2.6.7 MSI-X Update
Date: Tue, 22 Jun 2004 20:26:39 -0400 [thread overview]
Message-ID: <40D8CE3F.4010306@pobox.com> (raw)
In-Reply-To: <52n02vkuy6.fsf@topspin.com>
Roland Dreier wrote:
> This looks good, a definite improvement over what's currently in the
> kernel. I do have one question about the whole msi.c file (and this
> applies to the code that's already in the tree, too). Why is config
> space being accessed via calls like
>
> dev->bus->ops->read(dev->bus, dev->devfn, ... )
>
> instead of just calling
>
> pci_read_config_word(dev, ... )
>
> The only difference seems to be that MSI is bypassing the locking in
> access.c. Is there some reason for this?
hmmmmmmm.
Unless it's already inside the lock somehow... it definitely needs to
take the lock, one way or another.
Jeff
next prev parent reply other threads:[~2004-06-23 0:26 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-22 21:48 [PATCH]2.6.7 MSI-X Update long
2004-06-22 23:57 ` Roland Dreier
2004-06-23 0:26 ` Jeff Garzik [this message]
2004-06-23 1:18 ` Roland Dreier
2004-06-23 3:45 ` Roland Dreier
2004-06-23 16:50 ` Roland Dreier
-- strict thread matches above, loose matches on Subject: below --
2004-06-22 23:06 Nguyen, Tom L
2004-06-23 16:49 Nguyen, Tom L
2004-06-23 16:58 Nguyen, Tom L
2004-06-23 22:03 Nguyen, Tom L
2004-06-24 1:42 ` Roland Dreier
2004-06-24 6:37 ` Zwane Mwaikambo
2004-06-24 7:27 ` Roland Dreier
2004-06-24 16:29 Nguyen, Tom L
2004-06-26 1:21 long
2004-06-26 0:30 ` [PATCH]2.6.7 " Roland Dreier
2004-06-26 1:38 ` Roland Dreier
2004-06-26 8:27 ` Christoph Hellwig
2004-06-26 17:30 ` Roland Dreier
2004-07-13 22:02 long
2004-07-15 2:14 ` [PATCH]2.6.7 " Roland Dreier
2004-07-18 1:25 ` Roland Dreier
2004-07-15 15:46 Nguyen, Tom L
2004-07-19 15:36 Nguyen, Tom L
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