From ea19506013ad13685573e4674fbeddb790e27906 Mon Sep 17 00:00:00 2001 From: Yiyang Chen Date: Fri, 15 May 2026 00:05:05 +0800 Subject: sched/clock: Provide !HAVE_UNSTABLE_SCHED_CLOCK stub for sched_clock_stable() When CONFIG_HAVE_UNSTABLE_SCHED_CLOCK is disabled, sched_clock() is already assumed to provide stable semantics, but the public header doesn't provide a sched_clock_stable() stub for that case. Add a header stub that always returns true and clean up the duplicate local stub in ring_buffer.c, so callers can use sched_clock_stable() unconditionally. Signed-off-by: Yiyang Chen Signed-off-by: Peter Zijlstra (Intel) Acked-by: Steven Rostedt Link: https://patch.msgid.link/56e45338858946cd9581b75c8bd45dd37dba52c5.1778773587.git.cyyzero16@gmail.com --- kernel/trace/ring_buffer.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'kernel/trace') diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 5326924615a4..02691c3c6dd6 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3769,13 +3769,6 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, return skip_time_extend(event); } -#ifndef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK -static inline bool sched_clock_stable(void) -{ - return true; -} -#endif - static void rb_check_timestamp(struct ring_buffer_per_cpu *cpu_buffer, struct rb_event_info *info) -- cgit v1.2.3