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| author |   Will Deacon <will.deacon@arm.com> | 2018-08-23 19:26:21 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2018-09-11 16:49:11 +0100 |
| commit | 67a902ac598dca056366a7342f401aa6f605072f (patch) | |
| tree | c748c800db53cd3a9ee3c61d8bba481be1b54b02 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | arm64: tlb: Justify non-leaf invalidation in flush_tlb_range() (diff) | |
| download | linux-dev-67a902ac598dca056366a7342f401aa6f605072f.tar.xz linux-dev-67a902ac598dca056366a7342f401aa6f605072f.zip | |
arm64: tlbflush: Allow stride to be specified for __flush_tlb_range()
When we are unmapping intermediate page-table entries or huge pages, we
don't need to issue a TLBI instruction for every PAGE_SIZE chunk in the
VA range being unmapped.
Allow the invalidation stride to be passed to __flush_tlb_range(), and
adjust our "just nuke the ASID" heuristic to take this into account.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions