diff options
| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2025-08-20 14:03:39 -0400 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-08-26 09:51:12 +0200 |
| commit | e649bcda25b5ae1a30a182cc450f928a0b282c93 (patch) | |
| tree | 18905804b3848dc99b96652624de4db13a5b377f /kernel/bpf/stackmap.c | |
| parent | f49e1be19542487921e82b29004908966cb99d7c (diff) | |
perf: Remove get_perf_callchain() init_nr argument
The 'init_nr' argument has double duty: it's used to initialize both the
number of contexts and the number of stack entries. That's confusing
and the callers always pass zero anyway. Hard code the zero.
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>
Acked-by: Namhyung Kim <Namhyung@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20250820180428.259565081@kernel.org
Diffstat (limited to 'kernel/bpf/stackmap.c')
| -rw-r--r-- | kernel/bpf/stackmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index 3615c06b7dfa..ec3a57a5fba1 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -314,7 +314,7 @@ BPF_CALL_3(bpf_get_stackid, struct pt_regs *, regs, struct bpf_map *, map, if (max_depth > sysctl_perf_event_max_stack) max_depth = sysctl_perf_event_max_stack; - trace = get_perf_callchain(regs, 0, kernel, user, max_depth, + trace = get_perf_callchain(regs, kernel, user, max_depth, false, false); if (unlikely(!trace)) @@ -451,7 +451,7 @@ static long __bpf_get_stack(struct pt_regs *regs, struct task_struct *task, else if (kernel && task) trace = get_callchain_entry_for_task(task, max_depth); else - trace = get_perf_callchain(regs, 0, kernel, user, max_depth, + trace = get_perf_callchain(regs, kernel, user, max_depth, crosstask, false); if (unlikely(!trace) || trace->nr < skip) { |