perf: Skip user unwind if the task is a kernel thread

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[ Upstream commit 16ed389227 ]

If the task is not a user thread, there's no user stack to unwind.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250820180428.930791978@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Josh Poimboeuf 2025-08-20 14:03:43 -04:00 • committed by Greg Kroah-Hartman

parent 10f41e2a8f

commit 02b3654ea8

1 changed files with 2 additions and 1 deletions

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kernel/events/core.c

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