diff options
| author | Boqun Feng <boqun@kernel.org> | 2026-10-01 10:25:16 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-10-02 11:47:13 +0200 |
| commit | 9e174422f6f15a1d88994a07067f66c920d2f947 (patch) | |
| tree | 5b1dc76a47ab9d2c181cbae4cf74f9d84df62513 /tools/perf/scripts/python | |
| parent | 5b5224220747029bbaee8ab851cc6c599c48eded (diff) | |
irq: Add {over,under}flow detection for local_interrupt_{enable,disable}
Currently there is no way to detect overflow and underflow inside the
HARDIRQ_DISABLE_MASK part of preempt_count. Add these detection guarded
by DEBUG_PREEMPT similar to the detection for PREEMPT_MASK
{over,under}flow.
Suggested-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Signed-off-by: Boqun Feng <boqun@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Link: https://patch.msgid.link/20261001082519.16195-3-boqun@kernel.org
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions