diff options
Diffstat (limited to 'linux-2.6-intel-iommu-igfx.patch')
| -rw-r--r-- | linux-2.6-intel-iommu-igfx.patch | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/linux-2.6-intel-iommu-igfx.patch b/linux-2.6-intel-iommu-igfx.patch index b2f8f19e..d54ae3cb 100644 --- a/linux-2.6-intel-iommu-igfx.patch +++ b/linux-2.6-intel-iommu-igfx.patch @@ -1,6 +1,7 @@ -Subject: [PATCH] [intel_iommu] Default to igfx_off +From e13491e4c394907ffdd834aeccca279213818079 Mon Sep 17 00:00:00 2001 From: drago01 <drago01@gmail.com> -To: fedora-kernel-list <fedora-kernel-list@redhat.com> +Date: Wed, 26 Oct 2011 13:37:27 -0400 +Subject: [PATCH] Default to igfx_off This option seems to causes way to many issues, it is being investigated by Intel's chipset team for months now and @@ -16,14 +17,14 @@ Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com> Reviewed-by: Adam Jackson <ajax@redhat.com> --- Documentation/kernel-parameters.txt | 11 +++++------ - drivers/pci/intel-iommu.c | 9 +++++---- + drivers/iommu/intel-iommu.c | 9 +++++---- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt -index e7848a0..9914485 100644 +index a8ba119..8ddc43a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt -@@ -992,12 +992,11 @@ and is between 256 and 4096 characters. It is defined in the file +@@ -998,12 +998,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Enable intel iommu driver. off Disable intel iommu driver. @@ -40,22 +41,22 @@ index e7848a0..9914485 100644 + mapped as normal device. forcedac [x86_64] With this option iommu will not optimize to look - for io virtual address below 32 bit forcing dual -diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c -index 4173125..8f36786 100644 + for io virtual address below 32-bit forcing dual +diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c +index be1953c..2e23af1 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c -@@ -340,7 +340,8 @@ int dmar_disabled = 0; +@@ -404,7 +404,8 @@ int dmar_disabled = 0; int dmar_disabled = 1; - #endif /*CONFIG_DMAR_DEFAULT_ON*/ - + #endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/ + -static int dmar_map_gfx = 1; +/* disabled by default; causes way too many issues */ +static int dmar_map_gfx = 0; static int dmar_forcedac; static int intel_iommu_strict; - -@@ -361,10 +362,10 @@ static int __init intel_iommu_setup(char *str) + static int intel_iommu_superpage = 1; +@@ -429,10 +430,10 @@ static int __init intel_iommu_setup(char *str) } else if (!strncmp(str, "off", 3)) { dmar_disabled = 1; printk(KERN_INFO "Intel-IOMMU: disabled\n"); @@ -70,9 +71,5 @@ index 4173125..8f36786 100644 printk(KERN_INFO "Intel-IOMMU: Forcing DAC for PCI devices\n"); -- -1.6.6.1 -_______________________________________________ -kernel mailing list -kernel@lists.fedoraproject.org -https://admin.fedoraproject.org/mailman/listinfo/kernel +1.7.6.4 |