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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-11-23 19:51:40 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-11-24 21:08:56 +1100 |
| commit | 736df58fd5bcd02f811f7d474bbe02a35ffaa8f0 (patch) | |
| tree | ed286c2958ab1326ffd7a13bacc82a27890a3db3 /tools/perf/scripts/python/flamegraph.py | |
| parent | powerpc/64s: Remove WORT SPR from POWER9/10 (take 2) (diff) | |
| download | linux-736df58fd5bcd02f811f7d474bbe02a35ffaa8f0.tar.gz linux-736df58fd5bcd02f811f7d474bbe02a35ffaa8f0.zip | |
powerpc/64s: guard optional TIDR SPR with CPU ftr test
The TIDR SPR only exists on POWER9. Avoid accessing it when the
feature bit for it is not set.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-3-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
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