The patch titled
freezer: remove PF_NOFREEZE from rcutorture thread
has been added to the -mm tree. Its filename is
freezer-remove-pf_nofreeze-from-rcutorture-thread.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: freezer: remove PF_NOFREEZE from rcutorture thread
From: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Remove PF_NOFREEZE from the rcutorture thread, adding a try_to_freeze() call
as required.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Aneesh Kumar <aneesh.kumar@xxxxxxxxx>
Cc: Srivatsa Vaddagiri <vatsa@xxxxxxxxxx>
Cc: Gautham R Shenoy <ego@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/rcutorture.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/rcutorture.c~freezer-remove-pf_nofreeze-from-rcutorture-thread kernel/rcutorture.c
--- a/kernel/rcutorture.c~freezer-remove-pf_nofreeze-from-rcutorture-thread
+++ a/kernel/rcutorture.c
@@ -46,6 +46,7 @@
#include <linux/byteorder/swabb.h>
#include <linux/stat.h>
#include <linux/srcu.h>
+#include <linux/freezer.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Paul E. McKenney <paulmck@xxxxxxxxxx> and "
@@ -589,7 +590,6 @@ rcu_torture_writer(void *arg)
VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
set_user_nice(current, 19);
- current->flags |= PF_NOFREEZE;
do {
schedule_timeout_uninterruptible(1);
@@ -611,6 +611,7 @@ rcu_torture_writer(void *arg)
}
rcu_torture_current_version++;
oldbatch = cur_ops->completed();
+ try_to_freeze();
} while (!kthread_should_stop() && !fullstop);
VERBOSE_PRINTK_STRING("rcu_torture_writer task stopping");
while (!kthread_should_stop())
_
Patches currently in -mm which might be from paulmck@xxxxxxxxxxxxxxxxxx are
git-block.patch
freezer-read-pf_borrowed_mm-in-a-nonracy-way.patch
freezer-close-theoretical-race-between-refrigerator-and-thaw_tasks.patch
freezer-remove-pf_nofreeze-from-rcutorture-thread.patch
freezer-remove-pf_nofreeze-from-bluetooth-threads.patch
freezer-add-try_to_freeze-calls-to-all-kernel-threads.patch
freezer-fix-vfork-problem.patch
freezer-take-kernel_execve-into-consideration.patch
-
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