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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2026-08-14 16:55:04 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2026-09-10 07:08:33 +0200 |
| commit | 26e6e964d54d893f21f5614671fdcd24eacc3b78 (patch) | |
| tree | 0bbb5cd3603fdf3250b0687fe0cee73730511eee /tools/perf/scripts/python/stackcollapse.py | |
| parent | 85e5f54bb3b6e22d8a4a542b098a2600fdb68ced (diff) | |
| download | linux-next-26e6e964d54d893f21f5614671fdcd24eacc3b78.tar.gz linux-next-26e6e964d54d893f21f5614671fdcd24eacc3b78.zip | |
thunderbolt: Use shadow copy for ring interrupt mask
Each time we mask or unmask ring interrupt we do a read-modify-write and
that is not without a cost when on a hot path. We can get rid of that
read by making a shadow copy of the interrupt mask register and using
that in place of a register read.
Assisted-by: LLM
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions