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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-05-07 05:02:02 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-05-17 15:27:16 +1000 |
| commit | 70d6ebf82bd0cfddaebb54e861fc15e9945a5fc6 (patch) | |
| tree | 911bbf83bde80232cfff5090ffbd05bcd45f1324 /tools/perf/scripts/python/bin | |
| parent | c176c3d58a3ed623e8917acaafe240245e700e33 (diff) | |
| download | linux-70d6ebf82bd0cfddaebb54e861fc15e9945a5fc6.tar.gz linux-70d6ebf82bd0cfddaebb54e861fc15e9945a5fc6.zip | |
powerpc/603: Avoid a pile of NOPs when not using SW LRU in TLB exceptions
The SW LRU is in an MMU feature section. When not used, that's a
dozen of NOPs to fetch for nothing.
Define an ALT section that does the few remaining operations.
That also avoids a double read on SRR1 in the SW LRU case.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/603725297466959419628ef7964aaf3417fb647d.1620363691.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions