The patch titled
Freezer: do not allow freezing processes to clear TIF_SIGPENDING
has been added to the -mm tree. Its filename is
freezer-do-not-allow-freezing-processes-to-clear-tif_sigpending.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: do not allow freezing processes to clear TIF_SIGPENDING
From: Rafael J. Wysocki <rjw@xxxxxxx>
Do not allow processes to clear their TIF_SIGPENDING if TIF_FREEZE is set,
so that they will not race with the freezer (like mysqld does, for example).
Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Nigel Cunningham <nigel@xxxxxxxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/signal.c~freezer-do-not-allow-freezing-processes-to-clear-tif_sigpending kernel/signal.c
--- a/kernel/signal.c~freezer-do-not-allow-freezing-processes-to-clear-tif_sigpending
+++ a/kernel/signal.c
@@ -124,7 +124,7 @@ void recalc_sigpending_and_wake(struct t
void recalc_sigpending(void)
{
- if (!recalc_sigpending_tsk(current))
+ if (!recalc_sigpending_tsk(current) && !freezing(current))
clear_thread_flag(TIF_SIGPENDING);
}
_
Patches currently in -mm which might be from rjw@xxxxxxx are
origin.patch
freezer-do-not-allow-freezing-processes-to-clear-tif_sigpending.patch
shrink_slab-handle-bad-shrinkers.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
