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From: Greg KH <gregkh@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	tom.l.nguyen@intel.com, linux-pci@atrey.karlin.mff.cuni.cz,
	linux-kernel@vger.kernel.org, roland@topspin.com
Subject: Re: pci_enable_msi() for everyone?
Date: Mon, 6 Jun 2005 16:13:25 -0700	[thread overview]
Message-ID: <20050606231325.GA11610@suse.de> (raw)
In-Reply-To: <42A4D771.7080400@pobox.com>

On Mon, Jun 06, 2005 at 07:08:33PM -0400, Jeff Garzik wrote:
> Greg KH wrote:
> >Why would it matter?  The driver shouldn't care if the interrupts come
> >in via the standard interrupt way, or through MSI, right?  And if it
> 
> It matters.
> 
> Not only the differences DaveM mentioned, but also simply that you may 
> assume your interrupt is not shared with anyone else.

Ok, and again, how would the call, pci_in_msi_mode(struct pci_dev *dev)
not allow for the driver to determine this?

thanks,

greg k-h

  parent reply	other threads:[~2005-06-06 23:20 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-03 22:45 pci_enable_msi() for everyone? Greg KH
2005-06-03 23:16 ` Jeff Garzik
2005-06-04  0:01   ` Benjamin Herrenschmidt
2005-06-04  0:08     ` Jeff Garzik
2005-06-04  0:16       ` Benjamin Herrenschmidt
2005-06-04  0:34         ` Jeff Garzik
2005-06-04  6:51   ` Greg KH
2005-06-03 23:36 ` Roland Dreier
2005-06-06 22:58   ` Greg KH
2005-06-07  0:23     ` Roland Dreier
2005-06-07  5:19       ` Greg KH
2005-06-04  1:31 ` Grant Grundler
2005-06-04  6:48   ` Greg KH
2005-06-04  7:05     ` Grant Grundler
2005-06-04  7:18       ` Greg KH
2005-06-04  7:23         ` Dave Jones
2005-06-04 14:58           ` Roland Dreier
2005-06-06 23:01           ` Greg KH
2005-06-07  0:26             ` Roland Dreier
2005-06-07  5:22               ` Greg KH
2005-06-07  5:46                 ` Adam Belay
2005-06-07 17:43                   ` Luben Tuikov
2005-06-05 22:00         ` Benjamin Herrenschmidt
2005-06-06 23:00           ` Greg KH
2005-06-06 23:56             ` Benjamin Herrenschmidt
2005-06-05 19:46 ` David S. Miller
2005-06-06 22:55   ` Greg KH
2005-06-06 22:59     ` David S. Miller
2005-06-06 23:09       ` Greg KH
2005-06-06 23:08     ` Jeff Garzik
2005-06-06 23:10       ` David S. Miller
2005-06-06 23:13       ` Greg KH [this message]
2005-06-06 23:53         ` Jeff Garzik
2005-06-06 23:56           ` Greg KH
2005-06-06 23:58           ` David S. Miller
2005-06-07  4:24       ` Grant Grundler
2005-06-07  0:18     ` Roland Dreier
2005-06-07  5:21       ` Greg KH
  -- strict thread matches above, loose matches on Subject: below --
2005-06-07 22:33 Nguyen, Tom L

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