From: Greg KH <gregkh@suse.de>
To: Roland Dreier <roland@topspin.com>
Cc: tom.l.nguyen@intel.com, linux-pci@atrey.karlin.mff.cuni.cz,
linux-kernel@vger.kernel.org, davem@davemloft.net
Subject: Re: pci_enable_msi() for everyone?
Date: Mon, 6 Jun 2005 22:19:49 -0700 [thread overview]
Message-ID: <20050607051949.GB17734@suse.de> (raw)
In-Reply-To: <52acm3j9qi.fsf@topspin.com>
On Mon, Jun 06, 2005 at 05:23:17PM -0700, Roland Dreier wrote:
> Greg> Motherboard quirks are one thing. Broken devices are a
> Greg> totally different thing. If there are too many of them,
> Greg> then the current situation is acceptable to me. Does ib
> Greg> have devices that will break with MSI?
>
> Yes, I believe some versions of the firmware for Mellanox HCAs have
> problems with MSI.
Ick ick ick, and people think writing drivers is "easy"...
> Greg> In looking at that, I don't see a way to get rid of the msix
> Greg> stuff. So that's probably just going to stay the same.
>
> OK -- we'll just have to make sure that the switch from MSI mode to
> MSI-X mode is implementated correctly.
Hm good point, I think I got that wrong in my patch, let me go fix that
up...
thanks,
greg k-h
next prev parent reply other threads:[~2005-06-07 5:20 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 [this message]
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
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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