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authorWill Deacon <will@kernel.org>2019-07-02 18:44:16 +0300
committerWill Deacon <will@kernel.org>2019-07-29 19:22:55 +0300
commit3445545b2248300319b6965208e77140c960c3fd (patch)
tree5e5c54c1f85b904030b86620634bf1fcddf60916 /Kconfig
parent56f8af5e9d38f120cba2c2adb0786fa2dbc901a4 (diff)
downloadlinux-3445545b2248300319b6965208e77140c960c3fd.tar.xz
iommu/io-pgtable: Introduce tlb_flush_walk() and tlb_flush_leaf()
In preparation for deferring TLB flushes to iommu_tlb_sync(), introduce two new synchronous invalidation helpers to the io-pgtable API, which allow the unmap() code to force invalidation in cases where it cannot be deferred (e.g. when replacing a table with a block or when TLBI_ON_MAP is set). Signed-off-by: Will Deacon <will@kernel.org>
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