From: ebiederm@xmission.com (Eric W. Biederman)
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Matthew Wilcox <matthew@wil.cx>,
Greg Kroah-Hartman <greg@kroah.com>, Ingo Molnar <mingo@elte.hu>,
Russell King <rmk-pci@arm.linux.org.uk>,
linuxppc-dev@ozlabs.org, Thomas Gleixner <tglx@linutronix.de>,
linux-pci@atrey.karlin.mff.cuni.cz,
"David S.Miller" <davem@davemloft.net>
Subject: Re: [RFC/PATCH 4/7] Powerpc MSI implementation
Date: Tue, 07 Nov 2006 18:33:00 -0700 [thread overview]
Message-ID: <m1ac327mer.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <1162944905.28571.551.camel@localhost.localdomain> (Benjamin Herrenschmidt's message of "Wed, 08 Nov 2006 11:15:04 +1100")
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
>> For message signalled interrupts and hyptertransport interrupts we probably
> want
>> to add an additional field for pointing to their per irq state. Per device
>> interrupt controllers are truly peculiar.
>
> A per-irq addition field for the MSI data might indeed be useful. I
> still want to store it in the pci_dev, but it would be good to have a
> pointer to it in the irq_desc.
The msi_info in pci_dev is reasonable. But storing all 4096 possible
msi_desc's in pci_dev seems a little much.
Hopefully I can look at this a little more this evening and see what we
need to do to harmonize the two msi implementations.
Eric
next prev parent reply other threads:[~2006-11-08 1:34 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-07 7:21 [RFC/PATCH 0/7] Powerpc MSI Implementation Michael Ellerman
2006-11-07 7:21 ` [RFC/PATCH 1/7] Add #defines for Hypertransport MSI fields Michael Ellerman
2006-11-07 8:01 ` Segher Boessenkool
2006-11-07 7:21 ` [RFC/PATCH 2/7] Make some MSI-X #defines generic Michael Ellerman
2006-11-13 18:31 ` patch pci-make-some-msi-x-defines-generic.patch added to gregkh-2.6 tree gregkh
2006-11-07 7:21 ` [RFC/PATCH 3/7] Rip out the existing powerpc msi stubs Michael Ellerman
2006-11-07 7:21 ` [RFC/PATCH 5/7] RTAS MSI implementation Michael Ellerman
2006-11-08 20:16 ` Jake Moilanen
2006-11-08 23:35 ` Michael Ellerman
2006-11-07 7:21 ` [RFC/PATCH 4/7] Powerpc " Michael Ellerman
2006-11-07 20:07 ` Matthew Wilcox
2006-11-07 20:14 ` Russell King
2006-11-07 20:40 ` Benjamin Herrenschmidt
2006-11-07 20:44 ` Matthew Wilcox
2006-11-07 20:48 ` Russell King
2006-11-07 21:02 ` Matthew Wilcox
2006-11-07 22:25 ` Russell King
2006-11-07 22:29 ` Benjamin Herrenschmidt
2006-11-07 23:11 ` Eric W. Biederman
2006-11-08 0:15 ` Benjamin Herrenschmidt
2006-11-08 1:33 ` Eric W. Biederman [this message]
2006-11-08 2:08 ` Benjamin Herrenschmidt
2006-11-08 2:43 ` Eric W. Biederman
2006-11-08 3:02 ` Benjamin Herrenschmidt
2006-11-07 20:39 ` Benjamin Herrenschmidt
2006-11-07 7:21 ` [RFC/PATCH 6/7] MPIC MSI backend Michael Ellerman
2006-11-07 8:27 ` Segher Boessenkool
2006-11-07 8:42 ` Benjamin Herrenschmidt
2006-11-07 9:04 ` Segher Boessenkool
2006-11-07 9:16 ` Benjamin Herrenschmidt
2006-11-07 11:12 ` Segher Boessenkool
2006-11-07 7:21 ` [RFC/PATCH 7/7] Enable MSI on Powerpc Michael Ellerman
2006-11-07 7:41 ` [RFC/PATCH 0/7] Powerpc MSI Implementation Benjamin Herrenschmidt
2006-11-07 8:02 ` Greg KH
2006-11-08 5:18 ` Michael Ellerman
2006-11-08 10:26 ` Eric W. Biederman
2006-11-08 23:33 ` Michael Ellerman
2006-11-09 7:36 ` Segher Boessenkool
2006-11-13 6:05 ` Michael Ellerman
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