From: Alexander Gordeev <agordeev@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Vinod Koul <vinod.koul@intel.com>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
linux-pci@vger.kernel.org
Subject: Re: [PATCH v2 RESEND 1/4] ioat: Use pci_enable_msix_exact() instead of pci_enable_msix()
Date: Thu, 6 Mar 2014 22:43:57 +0100 [thread overview]
Message-ID: <20140306214356.GA16376@dhcp-26-207.brq.redhat.com> (raw)
In-Reply-To: <CAPcyv4jW19zxApviDdbofbXB1OvvN2sCriL3Paszfk9o3T8x0w@mail.gmail.com>
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@redhat.com
next prev parent reply other threads:[~2014-03-06 21:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1394128952.git.agordeev@redhat.com>
2014-03-06 20:11 ` [PATCH v2 RESEND 1/4] ioat: Use pci_enable_msix_exact() instead of pci_enable_msix() Alexander Gordeev
2014-03-06 21:09 ` Dan Williams
2014-03-06 21:43 ` Alexander Gordeev [this message]
2014-03-06 21:50 ` Dan Williams
2014-03-07 7:49 ` [PATCH v2] " Alexander Gordeev
2014-04-21 13:36 ` Alexander Gordeev
2014-08-25 16:35 ` Alexander Gordeev
2014-08-25 16:31 ` Dan Williams
2014-03-06 20:11 ` [PATCH v2 RESEND 2/4] portdrv: " Alexander Gordeev
2014-03-13 3:56 ` Bjorn Helgaas
2014-04-14 16:18 ` Alexander Gordeev
2014-03-06 20:11 ` [PATCH v2 RESEND 3/4] tsi721: " Alexander Gordeev
2014-03-07 13:35 ` Bounine, Alexandre
2014-04-21 13:28 ` Alexander Gordeev
2014-03-06 20:11 ` [PATCH v2 RESEND 4/4] xhci: " Alexander Gordeev
2014-03-06 21:56 ` Sarah Sharp
2014-03-07 7:46 ` [PATCH v2 1/2] xhci: Cleanup xhci_setup_msi() and xhci_setup_msix() Alexander Gordeev
2014-03-07 7:48 ` [PATCH v2 2/2] xhci: Use pci_enable_msix_exact() instead of pci_enable_msix() Alexander Gordeev
2014-03-25 14:27 ` [PATCH v2 RESEND 4/4] " Alexander Gordeev
2014-04-02 11:41 ` Alexander Gordeev
2014-04-02 14:05 ` Mathias Nyman
2014-04-02 15:20 ` Alexander Gordeev
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