Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [PATCH v11 2/3] iommu/vt-d: Add support for IOMMU default DMA mode build options | Date | Tue, 8 Jun 2021 21:18:27 +0800 |
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From: Zhen Lei <thunder.leizhen@huawei.com>
Make IOMMU_DEFAULT_LAZY default for when INTEL_IOMMU config is set, and make intel_iommu_strict initially hold value of IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT).
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> --- drivers/iommu/Kconfig | 1 + drivers/iommu/intel/iommu.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 369a3af9e5bf..b68ec7ed23c0 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -95,6 +95,7 @@ choice depends on IOMMU_API depends on X86 || IA64 || X86_64 || ARM || ARM64 + default IOMMU_DEFAULT_LAZY if INTEL_IOMMU default IOMMU_DEFAULT_STRICT help This option allows an IOMMU DMA mode to be chosen at build time, to diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index be35284a2016..fe33347f4a1e 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -360,7 +360,7 @@ int intel_iommu_enabled = 0; EXPORT_SYMBOL_GPL(intel_iommu_enabled); static int dmar_map_gfx = 1; -static int intel_iommu_strict; +static int intel_iommu_strict = IS_ENABLED(CONFIG_IOMMU_DEFAULT_STRICT); static int intel_iommu_superpage = 1; static int iommu_identity_mapping; static int iommu_skip_te_disable; -- 2.26.2
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