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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-11-23 19:52:03 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-11-24 21:08:59 +1100 |
| commit | 9a1e530bbbdaa2184993a7d7fc61d78871540ccd (patch) | |
| tree | 5833774a0d676fd979366875ff7d529521ecfb27 /tools/perf/scripts/python | |
| parent | KVM: PPC: Book3S HV P9: Optimise timebase reads (diff) | |
| download | linux-9a1e530bbbdaa2184993a7d7fc61d78871540ccd.tar.gz linux-9a1e530bbbdaa2184993a7d7fc61d78871540ccd.zip | |
KVM: PPC: Book3S HV P9: Avoid SPR scoreboard stalls
Avoid interleaving mfSPR and mtSPR to reduce SPR scoreboard stalls.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-26-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python')
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