From: "Nguyen, Tom L" <tom.l.nguyen@intel.com>
To: "Zwane Mwaikambo" <zwane@linuxpower.ca>
Cc: "Greg KH" <greg@kroah.com>,
"long" <tlnguyen@snoqualmie.dp.intel.com>,
"Nakajima, Jun" <jun.nakajima@intel.com>,
<linux-kernel@vger.kernel.org>
Subject: RE: Updated MSI Patches
Date: Thu, 14 Aug 2003 16:46:45 -0700 [thread overview]
Message-ID: <C7AB9DA4D0B1F344BF2489FA165E502401541708@orsmsx404.jf.intel.com> (raw)
On Tue, 12 Aug 2003, Nguyen, Tom L wrote:
> > IMO Multiplexing would be preferred, we can't be allocating that many
> > vectors for one device/device driver
> All pre-assigned vectors to all enabled IOxAPIC(s) are reserved.
> Allocating additional vectors to MSI-X driver is determined based on the
> available vectors, which must be greater than the number of vectors requested
> by MSI-X driver.
>Hmm can you avoid grabbing all the free vectors? I think the irq
>controller subsystem should handle allocation of vectors. Letting MSI grab
>everything might leave us with problems later on.
Good point. Thanks! we are studying the policy, which ensures that no MSI-X
can grab everything from others. Will post this changes after done ...
Thanks,
Long
next reply other threads:[~2003-08-14 23:46 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-14 23:46 Nguyen, Tom L [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-03 22:15 Updated MSI Patches long
2003-10-01 18:26 Nguyen, Tom L
2003-10-01 15:37 long
2003-10-01 17:09 ` Jeff Garzik
2003-08-22 18:25 long
2003-08-19 15:42 Nguyen, Tom L
2003-08-13 15:19 Nguyen, Tom L
2003-08-13 4:14 Nakajima, Jun
2003-08-13 1:34 Nakajima, Jun
2003-08-13 1:37 ` Zwane Mwaikambo
2003-08-12 23:59 Nakajima, Jun
2003-08-13 0:48 ` Zwane Mwaikambo
2003-08-12 18:36 Nakajima, Jun
2003-08-12 18:48 ` Jeff Garzik
2003-08-12 19:14 ` Zwane Mwaikambo
2003-08-12 19:44 ` Jeff Garzik
2003-08-12 17:32 Nguyen, Tom L
2003-08-12 18:14 ` Zwane Mwaikambo
2003-08-12 17:04 Nguyen, Tom L
2003-08-12 18:11 ` Zwane Mwaikambo
2003-08-12 15:22 long
2003-08-11 20:51 long
2003-08-11 21:16 ` Greg KH
2003-08-12 1:41 ` Zwane Mwaikambo
2003-08-12 5:53 ` Greg KH
2003-08-08 19:33 long
2003-08-08 20:15 ` Greg KH
2003-08-08 14:41 Nguyen, Tom L
2003-08-07 23:07 Nakajima, Jun
2003-08-07 21:25 long
2003-08-07 22:14 ` Greg KH
2003-08-07 22:44 ` Jeff Garzik
2003-08-07 23:03 ` Matt Porter
2003-08-08 2:36 ` Zwane Mwaikambo
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