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xen/pci: Used cached MSI-X capability offset

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We now cache the MSI-X capability offset in the struct pci_dev, so no
need to find the capability again.

Acked-by: Jan Beulich <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
CC: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
This commit is contained in:
Bjorn Helgaas 2013-04-22 17:12:28 -06:00 • committed by Konrad Rzeszutek Wilk
commit 7c86617dde
1 changed files with 1 additions and 2 deletions
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3
arch/x86/pci/xen.c
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@ -295,8 +295,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
int pos;
u32 table_offset, bir;
pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
pos = dev->msix_cap;
pci_read_config_dword(dev, pos + PCI_MSIX_TABLE,
&table_offset);
bir = (u8)(table_offset & PCI_MSIX_TABLE_BIR);