bpf: Factor callchain_finalize function from __bpf_get_stack

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The new callchain_finalize function calls the build-id retrieval
(if needed) and zeroes the buffer. This makes things easier for
preemption fix in following change.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20260803210149.296496-8-jolsa@kernel.org

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Jiri Olsa 2026-08-03 23:01:44 +02:00 • committed by Andrii Nakryiko

parent cbb99938e7

commit 014fbe5902

1 changed files with 17 additions and 8 deletions

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kernel/bpf/stackmap.c

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