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unwind: Clarify calling context

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The get_cookie() function hard relies on IRQs being disabled, but this
isn't immediately obvious when reading the function.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://patch.msgid.link/20250924080119.122507632@infradead.org
This commit is contained in:
Peter Zijlstra
2025-09-22 15:49:19 +02:00
parent a38a64712e
commit 1e74829f36
1 changed files with 2 additions and 0 deletions
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kernel/unwind/deferred.c
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@@ -79,6 +79,8 @@ static u64 get_cookie(struct unwind_task_info *info)
{ {
u32 cnt = 1; u32 cnt = 1;
lockdep_assert_irqs_disabled();
if (info->id.cpu) if (info->id.cpu)
return info->id.id; return info->id.id;