iommu/io-pgtable: Introduce tlb_flush_walk() and tlb_flush_leaf()

Browse source

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>

...

This commit is contained in:

Will Deacon 2019-07-02 16:44:16 +01:00

parent 56f8af5e9d

commit 3445545b22

1 changed files with 19 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

24

include/linux/io-pgtable.h

View file