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| author | Marc Zyngier <maz@kernel.org> | 2024-12-17 14:23:13 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-01-02 19:19:09 +0000 |
| commit | 338f8ea51944d02ea29eadb3d5fa9196e74a100d (patch) | |
| tree | ea99c5a6a28f4191a96420e7929a84fb4ba596da /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 2cd2a77f9c32f1eaf599fb72cbcd0394938a8b58 (diff) | |
KVM: arm64: nv: Accelerate EL0 timer read accesses when FEAT_ECV in use
Although FEAT_ECV allows us to correctly emulate the timers, it also
reduces performances pretty badly.
Mitigate this by emulating the CTL/CVAL register reads in the
inner run loop, without returning to the general kernel.
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241217142321.763801-6-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions