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| author | Andy Lutomirski <luto@kernel.org> | 2025-04-02 12:45:40 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-12 11:06:08 +0300 |
| commit | af8967158f9ad759a93e8e7a933c10e7cbb01ba2 (patch) | |
| tree | c984c49f6d377fe85f79cf4bffcb73ef4ba43b68 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | e7021e2fe0b4335523d3f6e2221000bdfc633b62 (diff) | |
| download | linux-af8967158f9ad759a93e8e7a933c10e7cbb01ba2.tar.xz | |
x86/mm: Opt-in to IRQs-off activate_mm()
We gain nothing by having the core code enable IRQs right before calling
activate_mm() only for us to turn them right back off again in switch_mm().
This will save a few cycles, so execve() should be blazingly fast with this
patch applied!
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/r/20250402094540.3586683-8-mingo@kernel.org
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions