On Fri, Dec 04, 2015 at 05:53:00PM +0000, Robin Murphy wrote: > When invalidating an IOVA range potentially spanning multiple pages, > such as when removing an entire intermediate-level table, we currently > only issue an invalidation for the first IOVA of that range. Since the > architecture specifies that address-based TLB maintenance operations > target a single entry, an SMMU could feasibly retain live entries for > subsequent pages within that unmapped range, which is not good. > > Make sure we hit every possible entry by iterating over the whole range > at the granularity provided by the pagetable implementation. > > Signed-off-by: Robin Murphy <[email protected]> > --- > drivers/iommu/arm-smmu.c | 19 ++++++++++++++++--- > 1 file changed, 16 insertions(+), 3 deletions(-)
Can you do something similar for arm-smmu-v3.c as well, please? Will _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
