linux-kernel - Re: [PATCH 1/4] PCI MSI: Store the number of messages in the msi

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Date:	Mon, 07 Jul 2008 13:26:50 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Michael Ellerman <michael@...erman.id.au>,
	linux-pci@...r.kernel.org, kaneshige.kenji@...fujitsu.com,
	mingo@...e.hu, tglx@...utronix.de, davem@...emloft.net,
	dan.j.williams@...el.com, Martine.Silbermann@...com,
	linux-kernel@...r.kernel.org,
	Matthew Wilcox <willy@...ux.intel.com>
Subject: Re: [PATCH 1/4] PCI MSI: Store the number of messages in the
	msi_desc

On Sun, 2008-07-06 at 20:41 -0600, Matthew Wilcox wrote:
> I also think that MSI-X could be improved by changing the interface to
> do away with this msix_entry list passed in -- just allocate the irqs
> consecutively.

Apparently some drivers rely on scattered allocation of MSI-X

Ben.


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