linux-kernel - Re: [PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi

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Date:	Mon, 16 Sep 2013 12:22:11 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Tejun Heo <tj@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, Joerg Roedel <joro@...tes.org>,
	Jan Beulich <JBeulich@...e.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface

On Mon, Sep 09, 2013 at 05:20:44PM +0200, Alexander Gordeev wrote:
> On Fri, Sep 06, 2013 at 05:32:05PM -0600, Bjorn Helgaas wrote:
> > I propose that you rework it that way, and at least find out what
> > (if anything) would break if we do that.  Or maybe we just give up
> > some optimization; it would be nice to quantify that, too.
> 
> Hi Bjorn,
> 
> The series is what it seems a direction to take.
> 
> Looks like we need PPC folks to agree on the quota check update
> for pSeries (yes, they do bail out with a positive return value
> from arch_msi_check_device()):

Hi Ben,

An initiative to simplify MSI/MSI-X allocation interface is brewing.
It seems pSeries quota thing is an obstacle. If it could be given up
(patch 2/9).

Thanks!

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