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Message-ID: <20140306214356.GA16376@dhcp-26-207.brq.redhat.com>
Date: Thu, 6 Mar 2014 22:43:57 +0100
From: Alexander Gordeev <agordeev@...hat.com>
To: Dan Williams <dan.j.williams@...el.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Vinod Koul <vinod.koul@...el.com>,
"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
linux-pci@...r.kernel.org
Subject: Re: [PATCH v2 RESEND 1/4] ioat: Use pci_enable_msix_exact() instead
of pci_enable_msix()
On Thu, Mar 06, 2014 at 01:09:39PM -0800, Dan Williams wrote:
> Can you point me to the background for this change. From the
> changelog I have no idea what this patch does or why I need to apply
> it.
Function pci_enable_msix() returns a tri-state value while
pci_enable_msi_exact() is a canonical zero/-errno variant.
The former is being phased out in favor of the latter.
In case of 'ioat' there (should be) no difference.
HTH.
--
Regards,
Alexander Gordeev
agordeev@...hat.com
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