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| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 08:01:04 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 22:41:02 +1100 |
| commit | a20f507f577b04f286c88a4885ac528e69f6f308 (patch) | |
| tree | 4c750d74da110cb1f397e67e272574eaeb7a810e /arch/powerpc/include/asm/iommu.h | |
| parent | fbce251baa6e357441961c78796e5e9fad682675 (diff) | |
| download | linux-a20f507f577b04f286c88a4885ac528e69f6f308.tar.bz2 | |
powerpc/dma: untangle vio_dma_mapping_ops from dma_iommu_ops
vio_dma_mapping_ops currently does a lot of indirect calls through
dma_iommu_ops, which not only make the code harder to follow but are
also expensive in the post-spectre world. Unwind the indirect calls
by calling the ppc_iommu_* or iommu_* APIs directly applicable, or
just use the dma_iommu_* methods directly where we can.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
| -rw-r--r-- | arch/powerpc/include/asm/iommu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 17524d222a7b..bd069a6542ab 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -237,6 +237,7 @@ static inline void iommu_del_device(struct device *dev) } #endif /* !CONFIG_IOMMU_API */ +u64 dma_iommu_get_required_mask(struct device *dev); #else static inline void *get_iommu_table_base(struct device *dev) |