From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-pci@vger.kernel.org, Yu Zhao <yu.zhao@intel.com>
Subject: [PATCH] pci: dmar/intr_remapping/iov use physfn to search drhd
Date: Tue, 04 Aug 2009 08:57:11 -0700 [thread overview]
Message-ID: <4A785A57.8050505@kernel.org> (raw)
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,
next reply other threads:[~2009-08-04 15:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-04 15:57 Yinghai Lu [this message]
2009-08-10 16:30 ` [PATCH] pci: dmar/intr_remapping/iov use physfn to search drhd Jesse Barnes
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