For Dave.
On Tue, 04 Aug 2009 08:57:11 -0700
Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>
> when virtfn is used, we should use physfn to find correct drhd
>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
>
> ---
> drivers/pci/dmar.c | 5 +++++
> 2 files changed, 12 insertions(+), 1 deletion(-)
>
> Index: linux-2.6/drivers/pci/dmar.c
> ===================================================================
> --- linux-2.6.orig/drivers/pci/dmar.c
> +++ linux-2.6/drivers/pci/dmar.c
> @@ -493,6 +493,11 @@ dmar_find_matched_drhd_unit(struct pci_d
> struct dmar_drhd_unit *dmaru = NULL;
> struct acpi_dmar_hardware_unit *drhd;
>
> +#ifdef CONFIG_PCI_IOV
> + if (dev->is_virtfn)
> + dev = dev->physfn;
> +#endif
> +
> list_for_each_entry(dmaru, &dmar_drhd_units, list) {
> drhd = container_of(dmaru->hdr,
> struct acpi_dmar_hardware_unit,
>
--
Jesse Barnes, Intel Open Source Technology Center
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