Subject: + kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread.patch added to -mm tree
To: oleg@xxxxxxxxxx,keescook@xxxxxxxxxxxx,kosaki.motohiro@xxxxxxxxxxxxxx,snanda@xxxxxxxxxxxx,viro@xxxxxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 22 Nov 2013 14:52:59 -0800
The patch titled
Subject: kernel/signal.c: change do_signal_stop/do_sigaction to use while_each_thread()
has been added to the -mm tree. Its filename is
kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread.patch
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------------------------------------------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: kernel/signal.c: change do_signal_stop/do_sigaction to use while_each_thread()
Change do_signal_stop() and do_sigaction() to avoid next_thread() and use
while_each_thread() instead.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Sameer Nanda <snanda@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/signal.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff -puN kernel/signal.c~kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread kernel/signal.c
--- a/kernel/signal.c~kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread
+++ a/kernel/signal.c
@@ -2047,8 +2047,8 @@ static bool do_signal_stop(int signr)
if (task_set_jobctl_pending(current, signr | gstop))
sig->group_stop_count++;
- for (t = next_thread(current); t != current;
- t = next_thread(t)) {
+ t = current;
+ while_each_thread(current, t) {
/*
* Setting state to TASK_STOPPED for a group
* stop is always done with the siglock held,
@@ -3125,8 +3125,7 @@ int do_sigaction(int sig, struct k_sigac
rm_from_queue_full(&mask, &t->signal->shared_pending);
do {
rm_from_queue_full(&mask, &t->pending);
- t = next_thread(t);
- } while (t != current);
+ } while_each_thread(current, t);
}
}
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
autofs4-allow-autofs-to-work-outside-the-initial-pid-namespace.patch
autofs4-translate-pids-to-the-right-namespace-for-the-daemon.patch
coredump-set_dumpable-fix-the-theoretical-race-with-itself.patch
coredump-kill-mmf_dumpable-and-mmf_dump_securely.patch
coredump-make-__get_dumpable-get_dumpable-inline-kill-fs-coredumph.patch
exit_state-kill-task_is_dead.patch
proc-cleanup-simplify-get_task_state-task_state_array.patch
proc-fix-the-potential-use-after-free-in-first_tid.patch
proc-change-first_tid-to-use-while_each_thread-rather-than-next_thread.patch
proc-dont-abuse-group_leader-in-proc_task_readdir-paths.patch
proc-fix-f_pos-overflows-in-first_tid.patch
fork-no-need-to-initialize-child-exit_state.patch
exec-check_unsafe_exec-use-while_each_thread-rather-than-next_thread.patch
exec-check_unsafe_exec-kill-the-dead-eagain-and-clear_in_exec-logic.patch
exec-move-the-final-allow_write_access-fput-into-free_bprm.patch
exec-kill-task_struct-did_exec.patch
fs-proc-arrayc-change-do_task_stat-to-use-while_each_thread.patch
kernel-sysc-k_getrusage-can-use-while_each_thread.patch
kernel-signalc-change-do_signal_stop-do_sigaction-to-use-while_each_thread.patch
linux-next.patch
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