linux-kernel - Re: [PATCH 0/4] AHCI: Conserve interrupts with pci_enable_msi_block

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Message-ID: <20130904080623.GB8726@dhcp-26-207.brq.redhat.com>
Date:	Wed, 4 Sep 2013 10:06:23 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-pci@...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>
Subject: Re: [PATCH 0/4] AHCI: Conserve interrupts with
 pci_enable_msi_block_part() interface

On Tue, Sep 03, 2013 at 12:24:11PM -0400, Tejun Heo wrote:
> Hello,
> 
> On Tue, Sep 03, 2013 at 04:57:19PM +0200, Alexander Gordeev wrote:
> > Multiple MSI support enables threaded IRQ handling, because at the time of
> > posting I did not want to intrude into the existing single-MSI codebase while
> > multiple MSI/multipe CPU approach gained good numbers (below).
> 
> Please separate out threaded IRQ support from multiple MSI.

This series does not really bring any structural change to the AHCI code -
just tweaks the MSI initialization.

As threaded IRQ support vs multiple MSI is a separate issue what about
addressing it in a separate effort? I would have to think on how to do it
eigher :)

> Thanks.
> 
> -- 
> tejun

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