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| author | Nicholas Piggin <npiggin@gmail.com> | 2020-04-29 16:56:51 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-28 23:24:37 +1000 |
| commit | 579940bb451c2dd33396d2d56ce6ef5d92154b3b (patch) | |
| tree | 93b85c1cc80e6e4b572a3a31c6b033142799edee /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | powerpc/64s/kuap: Add missing isync to KUAP restore paths (diff) | |
| download | linux-579940bb451c2dd33396d2d56ce6ef5d92154b3b.tar.gz linux-579940bb451c2dd33396d2d56ce6ef5d92154b3b.zip | |
powerpc/64/kuap: Conditionally restore AMR in interrupt exit
The AMR update is made conditional on AMR actually changing, which
should be the less common case on most workloads (though kernel page
faults on uaccess could be frequent, this doesn't significantly slow
down that case).
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200429065654.1677541-4-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions