The patch titled Subject: lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix has been added to the -mm mm-hotfixes-unstable branch. Its filename is lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix.patch This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix Date: Mon Oct 7 06:06:19 PM PDT 2024 Cc: Ben Greear <greearb@xxxxxxxxxxxxxxx> Cc: Florian Westphal <fw@xxxxxxxxx> Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx> Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx> Cc: Uladzislau Rezki <urezki@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/codetag.c | 1 + 1 file changed, 1 insertion(+) --- a/lib/codetag.c~lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix +++ a/lib/codetag.c @@ -228,6 +228,7 @@ bool codetag_unload_module(struct module if (!mod) return true; + /* await any module's kfree_rcu() operations to complete */ kvfree_rcu_barrier(); mutex_lock(&codetag_lock); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are lib-alloc_tag_module_unload-must-wait-for-pending-kfree_rcu-calls-fix.patch