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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-11-23 19:52:02 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-11-24 21:08:59 +1100 |
| commit | cb2553a093093ae46cfaee31321bcedcd0312c5d (patch) | |
| tree | 9dd0e5b1fff974bc71773e5786e71454d340abe3 /scripts/stackdelta | |
| parent | 6547af3eba88e4806e853fee7547031b2cc6a560 (diff) | |
| download | cachepc-linux-cb2553a093093ae46cfaee31321bcedcd0312c5d.tar.gz cachepc-linux-cb2553a093093ae46cfaee31321bcedcd0312c5d.zip | |
KVM: PPC: Book3S HV P9: Optimise timebase reads
Reduce the number of mfTB executed by passing the current timebase
around entry and exit code rather than read it multiple times.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-25-npiggin@gmail.com
Diffstat (limited to 'scripts/stackdelta')
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