git: f19009020a33 - main - sched: INVARIANTS: Check sched_preempt() is called on 'curthread'

The branch main has been updated by olce:

URL: https://cgit.FreeBSD.org/src/commit/?id=f19009020a33d07d7cad9393b4bf0a36f267cd07

commit f19009020a33d07d7cad9393b4bf0a36f267cd07
Author:     Olivier Certner <olce@FreeBSD.org>
AuthorDate: 2026-10-13 08:31:36 +0000
Commit:     Olivier Certner <olce@FreeBSD.org>
CommitDate: 2026-10-19 09:06:55 +0000

    sched: INVARIANTS: Check sched_preempt() is called on 'curthread'
    
    sched_preempt() does not support operating on a remote thread.  If you
    are looking to influence CPU allocation on another thread, see, e.g.,
    cpuset_setthread(), which in the end calls sched_affinity().
    
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
---
 sys/kern/sched_4bsd.c | 1 +
 sys/kern/sched_ule.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index 431957c048eb..84d30b596d37 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -1544,6 +1544,7 @@ sched_4bsd_preempt(struct thread *td)
 {
 	int flags;
 
+	MPASS(td == curthread);
 	SDT_PROBE2(sched, , , surrender, td, td->td_proc);
 	if (td->td_critnest > 1) {
 		td->td_owepreempt = 1;
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 63a3e0e66d66..96acd31d6419 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -2660,6 +2660,7 @@ sched_ule_preempt(struct thread *td)
 	struct tdq *tdq;
 	int flags;
 
+	MPASS(td == curthread);
 	SDT_PROBE2(sched, , , surrender, td, td->td_proc);
 
 	thread_lock(td);