From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 14/16] amd_iommu: clean up unnecessary MSI/MSI-X
	capability find
Date: Wed, 14 Aug 2013 12:20:09 +0200
Message-ID: <20130814102007.GE4491@8bytes.org>
References: <1375967556-6248-1-git-send-email-wangyijing@huawei.com>
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To: Yijing Wang <wangyijing-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, jiang.liu-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, Hanjun Guo <guohanjun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
List-Id: iommu@lists.linux-foundation.org

On Thu, Aug 08, 2013 at 09:12:36PM +0800, Yijing Wang wrote:
> 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-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
> Cc: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
> Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
> Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

Applied to x86/amd, thanks.