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Message-Id: <20130809.135043.251900707970096428.davem@davemloft.net>
Date: Fri, 09 Aug 2013 13:50:43 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: wangyijing@...wei.com
Cc: guohanjun@...wei.com, jiang.liu@...wei.com, gallatin@...i.com,
netdev@...r.kernel.org
Subject: Re: [PATCH 08/16] myri10ge: clean up unnecessary MSI/MSI-X
capability find
From: Yijing Wang <wangyijing@...wei.com>
Date: Thu, 8 Aug 2013 21:02:44 +0800
> PCI core will initialize device MSI/MSI-X capability in
> pci_msi_init_pci_dev(). So device driver should use
> pci_dev->msi_cap/msix_cap to determine whether the device
> support MSI/MSI-X instead of using
> pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
> Access to PCIe device config space again will consume more time.
>
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>
Applied.
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