* [PATCH] pci: dmar/intr_remapping/iov use physfn to search drhd
@ 2009-08-04 15:57 Yinghai Lu
2009-08-10 16:30 ` Jesse Barnes
0 siblings, 1 reply; 2+ messages in thread
From: Yinghai Lu @ 2009-08-04 15:57 UTC (permalink / raw)
To: Ingo Molnar, Thomas Gleixner, H. Peter Anvin, Jesse Barnes,
Suresh Siddha
Cc: linux-kernel@vger.kernel.org, linux-pci, Yu Zhao
when virtfn is used, we should use physfn to find correct drhd
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
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,
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] pci: dmar/intr_remapping/iov use physfn to search drhd
2009-08-04 15:57 [PATCH] pci: dmar/intr_remapping/iov use physfn to search drhd Yinghai Lu
@ 2009-08-10 16:30 ` Jesse Barnes
0 siblings, 0 replies; 2+ messages in thread
From: Jesse Barnes @ 2009-08-10 16:30 UTC (permalink / raw)
To: Yinghai Lu
Cc: Ingo Molnar, Thomas Gleixner, H. Peter Anvin, Suresh Siddha,
linux-kernel@vger.kernel.org, linux-pci, Yu Zhao, David Woodhouse
For Dave.
On Tue, 04 Aug 2009 08:57:11 -0700
Yinghai Lu <yinghai@kernel.org> wrote:
>
> when virtfn is used, we should use physfn to find correct drhd
>
> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
>
> ---
> 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
^ permalink raw reply [flat|nested] 2+ messages in thread
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