diff -ur sys.orig/amd64/amd64/pmap.c sys/amd64/amd64/pmap.c
--- sys.orig/amd64/amd64/pmap.c	2022-01-22 10:51:13.042684000 +0700
+++ sys/amd64/amd64/pmap.c	2022-01-22 18:01:08.000000000 +0700
@@ -2337,8 +2337,6 @@
 {
 	u_int cpuid, i;
 
-	sched_pin();
-
 	cpuid = PCPU_GET(cpuid);
 	if (pmap != PCPU_GET(curpmap))
 		cpuid = 0xffffffff;	/* An impossible value */
@@ -2364,7 +2362,6 @@
 static void
 pmap_invalidate_preipi_nopcid(pmap_t pmap __unused)
 {
-	sched_pin();
 }
 
 DEFINE_IFUNC(static, void, pmap_invalidate_preipi, (pmap_t), static)
@@ -2667,7 +2664,6 @@
 void
 pmap_invalidate_cache(void)
 {
-	sched_pin();
 	smp_cache_flush(pmap_invalidate_cache_curcpu_cb);
 }
 
diff -ur sys.orig/x86/x86/mp_x86.c sys/x86/x86/mp_x86.c
--- sys.orig/x86/x86/mp_x86.c	2022-01-22 10:51:13.063203000 +0700
+++ sys/x86/x86/mp_x86.c	2022-01-22 18:04:03.000000000 +0700
@@ -1656,9 +1656,6 @@
  * underlying processor, even when this processor is not set in the
  * mask.  So, the callback function must be prepared to handle such
  * spurious invocations.
- *
- * This function must be called with the thread pinned, and it unpins on
- * completion.
  */
 static void
 smp_targeted_tlb_shootdown(cpuset_t mask, u_int vector, pmap_t pmap,
@@ -1668,6 +1665,8 @@
 	volatile uint32_t *p_cpudone;
 	uint32_t generation;
 	int cpu;
+
+	sched_pin();
 
 	/*
 	 * It is not necessary to signal other CPUs while booting or