linux-kernel - Re: [PATCH RFC v2 06/29] PCI/MSI: Get rid of useless count of msi

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Message-ID: <20131122182711.GD8401@dhcp-26-207.brq.redhat.com>
Date:	Fri, 22 Nov 2013 19:27:12 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Laight <David.Laight@...LAB.COM>,
	Mark Lord <kernel@...rt.ca>, "H. Peter Anvin" <hpa@...or.com>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH RFC v2 06/29] PCI/MSI: Get rid of useless count of
 msi_desc leftovers

On Wed, Nov 20, 2013 at 11:07:16AM -0500, Tejun Heo wrote:
> Hmmm... so, before this, the function would have returned the partial
> number of irqs that arch set up successfully.  Is it okay to lose that
> information?  If so, can you please elaborate a bit more on why it's
> okay in the description?

Well, this is embarrassing. A quick check into x86 shows the partially
initialized MSI-Xs are possible - something I should have noticed.

Self-Nack.

> tejun

-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
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