mmu_notifiers: don't invalidate secondary TLBs as part of mmu_notifier_invalidate_ran...
authorAlistair Popple <apopple@nvidia.com>
Tue, 25 Jul 2023 13:42:06 +0000 (23:42 +1000)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 18 Aug 2023 17:12:41 +0000 (10:12 -0700)
commitec8832d007cb7b50229ad5745eec35b847cc9120
tree302c5b506efbe2111af8cd176134f271df514097
parent6bbd42e2df8f90b022fa0b82986d58ecb30b9dcc
mmu_notifiers: don't invalidate secondary TLBs as part of mmu_notifier_invalidate_range_end()

Secondary TLBs are now invalidated from the architecture specific TLB
invalidation functions.  Therefore there is no need to explicitly notify
or invalidate as part of the range end functions.  This means we can
remove mmu_notifier_invalidate_range_end_only() and some of the
ptep_*_notify() functions.

Link: https://lkml.kernel.org/r/90d749d03cbab256ca0edeb5287069599566d783.1690292440.git-series.apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Andrew Donnellan <ajd@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Cc: Frederic Barrat <fbarrat@linux.ibm.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Nicolin Chen <nicolinc@nvidia.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zhi Wang <zhi.wang.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
include/linux/mmu_notifier.h
kernel/events/uprobes.c
mm/huge_memory.c
mm/hugetlb.c
mm/memory.c
mm/migrate_device.c
mm/mmu_notifier.c
mm/rmap.c