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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-11-23 19:51:43 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-11-24 21:08:57 +1100 |
| commit | 9581991a60817abe311c2581ae4554b28bfa32f1 (patch) | |
| tree | c5766a37f856a44f1077b87093771c0d9b3e87ad /tools/perf/scripts/python | |
| parent | KVM: PPC: Book3S HV P9: Use host timer accounting to avoid decrementer read (diff) | |
| download | linux-9581991a60817abe311c2581ae4554b28bfa32f1.tar.gz linux-9581991a60817abe311c2581ae4554b28bfa32f1.zip | |
KVM: PPC: Book3S HV P9: Use large decrementer for HDEC
On processors that don't suppress the HDEC exceptions when LPCR[HDICE]=0,
this could help reduce needless guest exits due to leftover exceptions on
entering the guest.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-6-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions