From c47796814c815f6e4da957d06f0c06cacce277b0 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Tue, 27 Jul 2010 17:14:24 +0200
Subject: [PATCH] --- yaml --- r: 205213 b: refs/heads/master c:
 80a506b8fdcfa868bb53eb740f928217d0966fc1 h: refs/heads/master i:   205211:
 9111201920e0dd808a27cce012d3fe3c8423bcfa v: v3

---
 [refs]                            | 2 +-
 trunk/arch/x86/kernel/amd_iommu.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 14a3f41980a3..69e65da8a294 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6c54aabd5e687092557f4881ce2d4013b971f293
+refs/heads/master: 80a506b8fdcfa868bb53eb740f928217d0966fc1
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
index 29dd3b9f2f09..fa044e1e30a2 100644
--- a/trunk/arch/x86/kernel/amd_iommu.c
+++ b/trunk/arch/x86/kernel/amd_iommu.c
@@ -2572,6 +2572,11 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,
 static int amd_iommu_domain_has_cap(struct iommu_domain *domain,
 				    unsigned long cap)
 {
+	switch (cap) {
+	case IOMMU_CAP_CACHE_COHERENCY:
+		return 1;
+	}
+
 	return 0;
 }