This is a note to let you know that I've just added the patch titled sched: Always inline is_percpu_thread() to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sched-always-inline-is_percpu_thread.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 578a89405be881b234bb180057b9b05e618506de Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Date: Mon Sep 20 15:31:11 2021 +0200 sched: Always inline is_percpu_thread() [ Upstream commit 83d40a61046f73103b4e5d8f1310261487ff63b0 ] vmlinux.o: warning: objtool: check_preemption_disabled()+0x81: call to is_percpu_thread() leaves .noinstr.text section Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20210928084218.063371959@xxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/include/linux/sched.h b/include/linux/sched.h index 5524cd5c6abe..761d0f85c4a5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1433,7 +1433,7 @@ 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) &&