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/events/callchain.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/events/callchain.c')
| -rw-r--r-- | kernel/events/callchain.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c index 6c83ad674d01..b0f5bd228cd8 100644 --- a/kernel/events/callchain.c +++ b/kernel/events/callchain.c @@ -217,7 +217,7 @@ static void fixup_uretprobe_trampoline_entries(struct perf_callchain_entry *entr } struct perf_callchain_entry * -get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, +get_perf_callchain(struct pt_regs *regs, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark) { struct perf_callchain_entry *entry; @@ -228,11 +228,11 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, if (!entry) return NULL; - ctx.entry = entry; - ctx.max_stack = max_stack; - ctx.nr = entry->nr = init_nr; - ctx.contexts = 0; - ctx.contexts_maxed = false; + ctx.entry = entry; + ctx.max_stack = max_stack; + ctx.nr = entry->nr = 0; + ctx.contexts = 0; + ctx.contexts_maxed = false; if (kernel && !user_mode(regs)) { if (add_mark) |