git: 0e742cc77454 - main - cpu_set_upcall / linux_clone_thread: Remove calls to cpu_thread_clean

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=0e742cc77454d0872ac2f6e7fd755b6d0322b711

commit 0e742cc77454d0872ac2f6e7fd755b6d0322b711
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2025-01-03 16:03:08 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2025-01-03 16:03:08 +0000

    cpu_set_upcall / linux_clone_thread: Remove calls to cpu_thread_clean
    
    This is intended to clean state of a thread at the end of its
    lifecycle during wait(), not the beginning of its life cycle.
    
    Reviewed by:    kib
    Sponsored by:   AFRL, DARPA
    Differential Revision:  https://reviews.freebsd.org/D48023
---
 sys/amd64/amd64/vm_machdep.c  | 10 ----------
 sys/compat/linux/linux_fork.c |  2 --
 sys/i386/i386/vm_machdep.c    | 10 ----------
 3 files changed, 22 deletions(-)

diff --git a/sys/amd64/amd64/vm_machdep.c b/sys/amd64/amd64/vm_machdep.c
index f74091438648..1c6b1549422b 100644
--- a/sys/amd64/amd64/vm_machdep.c
+++ b/sys/amd64/amd64/vm_machdep.c
@@ -605,16 +605,6 @@ int
 cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg,
     stack_t *stack)
 {
-
-	/*
-	 * Do any extra cleaning that needs to be done.
-	 * The thread may have optional components
-	 * that are not present in a fresh thread.
-	 * This may be a recycled thread so make it look
-	 * as though it's newly allocated.
-	 */
-	cpu_thread_clean(td);
-
 #ifdef COMPAT_FREEBSD32
 	if (SV_PROC_FLAG(td->td_proc, SV_ILP32)) {
 		/*
diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c
index 4ce3bc192b4e..1c9189162a09 100644
--- a/sys/compat/linux/linux_fork.c
+++ b/sys/compat/linux/linux_fork.c
@@ -301,8 +301,6 @@ linux_clone_thread(struct thread *td, struct l_clone_args *args)
 	else
 		em->child_clear_tid = NULL;
 
-	cpu_thread_clean(newtd);
-
 	linux_set_upcall(newtd, args->stack);
 
 	PROC_LOCK(p);
diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c
index 0e0cebe98e5f..b0dd7534633b 100644
--- a/sys/i386/i386/vm_machdep.c
+++ b/sys/i386/i386/vm_machdep.c
@@ -480,16 +480,6 @@ int
 cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg,
     stack_t *stack)
 {
-
-	/* 
-	 * Do any extra cleaning that needs to be done.
-	 * The thread may have optional components
-	 * that are not present in a fresh thread.
-	 * This may be a recycled thread so make it look
-	 * as though it's newly allocated.
-	 */
-	cpu_thread_clean(td);
-
 	/*
 	 * Set the trap frame to point at the beginning of the entry
 	 * function.