> Index: kern/kern_smr.c
> ===================================================================
> RCS file: /cvs/src/sys/kern/kern_smr.c,v
> diff -u -p -r1.16 kern_smr.c
> --- kern/kern_smr.c	14 Aug 2022 01:58:27 -0000	1.16
> +++ kern/kern_smr.c	8 Jul 2024 10:00:15 -0000
> @@ -162,8 +162,8 @@ smr_grace_wait(void)
>  			continue;
>  		sched_peg_curproc(ci);
>  		KASSERT(ci->ci_schedstate.spc_smrgp == smrgp);
> +		sched_unpeg_curproc();
>  	}
> -	atomic_clearbits_int(&curproc->p_flag, P_CPUPEG);

Are you sure you want to move the unpeg call into the for() loop?