From: Joerg Roedel <joerg.roedel@amd.com>
To: mingo@redhat.com
Cc: linux-kernel@vger.kernel.org
Subject: [git pull] amd iommu updates for 2.6.30-rc4
Date: Mon, 4 May 2009 12:20:28 +0200 [thread overview]
Message-ID: <20090504102028.GA30307@amd.com> (raw)
Hi Ingo,
The following changes since commit 19c1a6f5764d787113fa323ffb18be7991208f82:
FUJITA Tomonori (1):
x86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git iommu/fixes-2.6.30
Joerg Roedel (1):
amd-iommu: fix iommu flag masks
arch/x86/kernel/amd_iommu_init.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)
The patch fixes a minor issue with wrong evaluated iommu flags read from
the ACPI table. Please pull.
Here is the full diff:
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 42c33ce..8c0be09 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -49,10 +49,10 @@
#define IVHD_DEV_EXT_SELECT 0x46
#define IVHD_DEV_EXT_SELECT_RANGE 0x47
-#define IVHD_FLAG_HT_TUN_EN 0x00
-#define IVHD_FLAG_PASSPW_EN 0x01
-#define IVHD_FLAG_RESPASSPW_EN 0x02
-#define IVHD_FLAG_ISOC_EN 0x03
+#define IVHD_FLAG_HT_TUN_EN_MASK 0x01
+#define IVHD_FLAG_PASSPW_EN_MASK 0x02
+#define IVHD_FLAG_RESPASSPW_EN_MASK 0x04
+#define IVHD_FLAG_ISOC_EN_MASK 0x08
#define IVMD_FLAG_EXCL_RANGE 0x08
#define IVMD_FLAG_UNITY_MAP 0x01
@@ -569,19 +569,19 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
* First set the recommended feature enable bits from ACPI
* into the IOMMU control registers
*/
- h->flags & IVHD_FLAG_HT_TUN_EN ?
+ h->flags & IVHD_FLAG_HT_TUN_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) :
iommu_feature_disable(iommu, CONTROL_HT_TUN_EN);
- h->flags & IVHD_FLAG_PASSPW_EN ?
+ h->flags & IVHD_FLAG_PASSPW_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_PASSPW_EN) :
iommu_feature_disable(iommu, CONTROL_PASSPW_EN);
- h->flags & IVHD_FLAG_RESPASSPW_EN ?
+ h->flags & IVHD_FLAG_RESPASSPW_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) :
iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN);
- h->flags & IVHD_FLAG_ISOC_EN ?
+ h->flags & IVHD_FLAG_ISOC_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_ISOC_EN) :
iommu_feature_disable(iommu, CONTROL_ISOC_EN);
--
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next reply other threads:[~2009-05-04 10:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-04 10:20 Joerg Roedel [this message]
2009-05-04 16:58 ` [tip:x86/urgent] amd-iommu: fix iommu flag masks tip-bot for Joerg Roedel
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