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| author |   Peter Zijlstra <peterz@infradead.org> | 2023-01-12 20:44:01 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2023-01-13 11:48:17 +0100 |
| commit | 17cc2b5525856d7374f09b28ba1faf1fa61b2352 (patch) | |
| tree | 843bdd2f5083f11af0b96765c80a5d562544cc0d /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | arm64, riscv, perf: Remove RCU_NONIDLE() usage (diff) | |
| download | wireguard-linux-17cc2b5525856d7374f09b28ba1faf1fa61b2352.tar.xz wireguard-linux-17cc2b5525856d7374f09b28ba1faf1fa61b2352.zip | |
cpuidle: Ensure ct_cpuidle_enter() is always called from noinstr/__cpuidle
Tracing (kprobes included) and other compiler instrumentation relies
on a normal kernel runtime. Therefore all functions that disable RCU
should be noinstr, as should all functions that are called while RCU
is disabled.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112195542.212914195@infradead.org
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions