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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



  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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