linux-kernel - [PATCH 3/3] sched: Always inline is_percpu

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Date:   Tue, 28 Sep 2021 10:40:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     paulmck@...nel.org, tglx@...utronix.de, sfr@...b.auug.org.au
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [PATCH 3/3] sched: Always inline is_percpu_thread()

  vmlinux.o: warning: objtool: check_preemption_disabled()+0x81: call to is_percpu_thread() leaves .noinstr.text section

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 include/linux/sched.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1730,7 +1730,7 @@ extern struct pid *cad_pid;
 #define tsk_used_math(p)			((p)->flags & PF_USED_MATH)
 #define used_math()				tsk_used_math(current)
 
-static inline bool is_percpu_thread(void)
+static __always_inline bool is_percpu_thread(void)
 {
 #ifdef CONFIG_SMP
 	return (current->flags & PF_NO_SETAFFINITY) &&