git: 431b3b224db2 - main - thread0: Stop calling thread0 "swapper"

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Thu, 04 Dec 2025 19:53:19 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=431b3b224db2a69d09c359ce1cfb37ba3da4705c

commit 431b3b224db2a69d09c359ce1cfb37ba3da4705c
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2025-12-04 19:52:59 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2025-12-04 19:52:59 +0000

    thread0: Stop calling thread0 "swapper"
    
    Just leave it as "kernel".  While here, replace "parked" with "-" (the
    typical wait channel for idle threads).
    
    Reviewed by:    olce, kib, markj
    Differential Revision:  https://reviews.freebsd.org/D54039
---
 sys/kern/init_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index 6612ac685936..a2898f75a795 100644
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -336,7 +336,7 @@ mi_startup(void)
 	 * the need arises.
 	 */
 	for (;;)
-		tsleep(__builtin_frame_address(0), PNOLOCK, "parked", 0);
+		tsleep(__builtin_frame_address(0), PNOLOCK, "-", 0);
 }
 
 static void
@@ -486,7 +486,7 @@ proc0_init(void *dummy __unused)
 	schedinit();	/* scheduler gets its house in order */
 
 	/*
-	 * Create process 0 (the swapper).
+	 * Create process 0.
 	 */
 	LIST_INSERT_HEAD(&allproc, p, p_list);
 	LIST_INSERT_HEAD(PIDHASH(0), p, p_hash);
@@ -531,7 +531,7 @@ proc0_init(void *dummy __unused)
 	LIST_INIT(&p->p_reaplist);
 
 	strncpy(p->p_comm, "kernel", sizeof (p->p_comm));
-	strncpy(td->td_name, "swapper", sizeof (td->td_name));
+	strncpy(td->td_name, "kernel", sizeof (td->td_name));
 
 	callout_init_mtx(&p->p_itcallout, &p->p_mtx, 0);
 	callout_init_mtx(&p->p_limco, &p->p_mtx, 0);