+ modules-wait-do_free_init-correctly-v3.patch added to mm-unstable branch

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The patch titled
     Subject: modules: wait do_free_init correctly
has been added to the -mm mm-unstable branch.  Its filename is
     modules-wait-do_free_init-correctly-v3.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/modules-wait-do_free_init-correctly-v3.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Changbin Du <changbin.du@xxxxxxxxxx>
Subject: modules: wait do_free_init correctly
Date: Sat, 17 Feb 2024 16:18:10 +0800

amend comment in do_init_module() and update commit msg

Link: https://lkml.kernel.org/r/20240217081810.4155871-1-changbin.du@xxxxxxxxxx
Fixes: 1a7b7d922081 ("modules: Use vmalloc special flag")
Signed-off-by: Changbin Du <changbin.du@xxxxxxxxxx>
Tested-by: Eric Chanudet <echanude@xxxxxxxxxx>
Cc: Xiaoyi Su <suxiaoyi@xxxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 kernel/module/main.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/module/main.c~modules-wait-do_free_init-correctly-v3
+++ a/kernel/module/main.c
@@ -2598,8 +2598,8 @@ static noinline int do_init_module(struc
 	 * Note that module_alloc() on most architectures creates W+X page
 	 * mappings which won't be cleaned up until do_free_init() runs.  Any
 	 * code such as mark_rodata_ro() which depends on those mappings to
-	 * be cleaned up needs to sync with the queued work - ie
-	 * rcu_barrier()
+	 * be cleaned up needs to sync with the queued work by invoking
+	 * flush_module_init_free_work().
 	 */
 	if (llist_add(&freeinit->node, &init_free_list))
 		schedule_work(&init_free_wq);
_

Patches currently in -mm which might be from changbin.du@xxxxxxxxxx are

modules-wait-do_free_init-correctly.patch
modules-wait-do_free_init-correctly-v3.patch





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