The patch titled
ptrace: annotate lock context change on exit_ptrace()
has been added to the -mm tree. Its filename is
ptrace-annotate-lock-context-change-on-exit_ptrace.patch
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------------------------------------------------------
Subject: ptrace: annotate lock context change on exit_ptrace()
From: Namhyung Kim <namhyung@xxxxxxxxx>
exit_ptrace() releases and regrabs tasklist_lock but was missing proper
annotation. Add it.
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/ptrace.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN kernel/ptrace.c~ptrace-annotate-lock-context-change-on-exit_ptrace kernel/ptrace.c
--- a/kernel/ptrace.c~ptrace-annotate-lock-context-change-on-exit_ptrace
+++ a/kernel/ptrace.c
@@ -329,6 +329,8 @@ int ptrace_detach(struct task_struct *ch
* and reacquire the lock.
*/
void exit_ptrace(struct task_struct *tracer)
+ __releases(&tasklist_lock)
+ __acquires(&tasklist_lock)
{
struct task_struct *p, *n;
LIST_HEAD(ptrace_dead);
_
Patches currently in -mm which might be from namhyung@xxxxxxxxx are
linux-next.patch
init-mark-__user-address-space-on-string-literals.patch
kernel-userc-add-lock-release-annotation-on-free_user.patch
printk-fixup-declaration-of-kmsg_reasons.patch
printk-add-lock-context-annotation.patch
printk-change-type-of-boot_delay-to-int.patch
printk-declare-printk_ratelimit_state-in-ratelimith.patch
printk-declare-printk_ratelimit_state-in-ratelimith-fix.patch
ptrace-annotate-lock-context-change-on-exit_ptrace.patch
signals-annotate-lock_task_sighand.patch
signals-annotate-lock-context-change-on-ptrace_stop.patch
exit-add-lock-context-annotation-on-find_new_reaper.patch
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