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| author | Lukas Bulwahn <lukas.bulwahn@gmail.com> | 2020-11-15 21:59:51 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-11-17 22:29:49 +0000 |
| commit | 68dd9d89eaf56dfab8d46bf25610aa4650247617 (patch) | |
| tree | 5feb1672dc3f8f5d998d90ea440121d452dfe6dc /drivers/iommu | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
| download | linux-stable-68dd9d89eaf56dfab8d46bf25610aa4650247617.tar.gz linux-stable-68dd9d89eaf56dfab8d46bf25610aa4650247617.tar.bz2 linux-stable-68dd9d89eaf56dfab8d46bf25610aa4650247617.zip | |
iommu/vt-d: include conditionally on CONFIG_INTEL_IOMMU_SVM
Commit 6ee1b77ba3ac ("iommu/vt-d: Add svm/sva invalidate function")
introduced intel_iommu_sva_invalidate() when CONFIG_INTEL_IOMMU_SVM.
This function uses the dedicated static variable inv_type_granu_table
and functions to_vtd_granularity() and to_vtd_size().
These parts are unused when !CONFIG_INTEL_IOMMU_SVM, and hence,
make CC=clang W=1 warns with an -Wunused-function warning.
Include these parts conditionally on CONFIG_INTEL_IOMMU_SVM.
Fixes: 6ee1b77ba3ac ("iommu/vt-d: Add svm/sva invalidate function")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20201115205951.20698-1-lukas.bulwahn@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 1b1ca63e6bbe..c1a209273767 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -5387,6 +5387,7 @@ static void intel_iommu_aux_detach_device(struct iommu_domain *domain, aux_domain_remove_dev(to_dmar_domain(domain), dev); } +#ifdef CONFIG_INTEL_IOMMU_SVM /* * 2D array for converting and sanitizing IOMMU generic TLB granularity to * VT-d granularity. Invalidation is typically included in the unmap operation @@ -5433,7 +5434,6 @@ static inline u64 to_vtd_size(u64 granu_size, u64 nr_granules) return order_base_2(nr_pages); } -#ifdef CONFIG_INTEL_IOMMU_SVM static int intel_iommu_sva_invalidate(struct iommu_domain *domain, struct device *dev, struct iommu_cache_invalidate_info *inv_info) |