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| author | Nicholas Piggin <npiggin@gmail.com> | 2018-06-01 20:01:18 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:40:35 +1000 |
| commit | 68662f85f3c3ea8a6fb61586a05955ab51bbb9e6 (patch) | |
| tree | 546d2ada5dd5d7e9fe1901285f23c9df67d0b224 /tools/perf/scripts/python | |
| parent | powerpc/64s/radix: make ptep_get_and_clear_full non-atomic for the full case (diff) | |
| download | linux-68662f85f3c3ea8a6fb61586a05955ab51bbb9e6.tar.gz linux-68662f85f3c3ea8a6fb61586a05955ab51bbb9e6.zip | |
powerpc/64s/radix: prefetch user address in update_mmu_cache
Prefetch the faulting address in update_mmu_cache to give the page
table walker perhaps 100 cycles head start as locks are dropped and
the interrupt completed.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions