Messages in this thread | | | Date | Wed, 14 Aug 2013 12:20:09 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 14/16] amd_iommu: clean up unnecessary MSI/MSI-X capability find |
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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@huawei.com> > Cc: Joerg Roedel <joro@8bytes.org> > Cc: iommu@lists.linux-foundation.org > Cc: linux-kernel@vger.kernel.org
Applied to x86/amd, thanks.
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