From: Kirill Tkhai <ktkhai@odin.com>
To: <linux-kernel@vger.kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
Michal Hocko <mhocko@suse.cz>, "Rik van Riel" <riel@redhat.com>,
Ionut Alexa <ionut.m.alexa@gmail.com>,
Peter Hurley <peter@hurleysoftware.com>,
Kirill Tkhai <tkhai@yandex.ru>
Subject: [PATCH RFC 09/13] exit: Use for_each_thread() in do_wait()
Date: Mon, 25 May 2015 20:45:41 +0300 [thread overview]
Message-ID: <1432575941.6866.42.camel@odin.com> (raw)
In-Reply-To: <20150525162722.5171.15901.stgit@pro>
Refactoring, no functionality change.
Signed-off-by: Kirill Tkhai <ktkhai@odin.com>
---
kernel/exit.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index a268093..c84f3e4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1538,8 +1538,7 @@ static long do_wait(struct wait_opts *wo)
set_current_state(TASK_INTERRUPTIBLE);
read_lock(&tasklist_lock);
- tsk = current;
- do {
+ for_each_thread(current, tsk) {
retval = do_wait_thread(wo, tsk);
if (retval)
goto end;
@@ -1550,7 +1549,7 @@ static long do_wait(struct wait_opts *wo)
if (wo->wo_flags & __WNOTHREAD)
break;
- } while_each_thread(current, tsk);
+ }
read_unlock(&tasklist_lock);
notask:
next prev parent reply other threads:[~2015-05-25 17:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20150525162722.5171.15901.stgit@pro>
2015-05-25 17:44 ` [PATCH RFC 01/13] exit: Clarify choice of new parent in forget_original_parent() Kirill Tkhai
2015-05-25 17:44 ` [PATCH RFC 02/13] rwlock_t: Implement double_write_{,un}lock() Kirill Tkhai
2015-05-25 17:44 ` [PATCH RFC 03/13] pid_ns: Implement rwlock_t pid_ns::cr_lock for locking child_reaper Kirill Tkhai
2015-05-25 17:44 ` [PATCH RFC 04/13] exit: Small refactoring mm_update_next_owner() Kirill Tkhai
2015-05-25 17:45 ` [PATCH RFC 05/13] fs: Refactoring in get_children_pid() Kirill Tkhai
2015-05-25 17:45 ` [PATCH RFC 06/13] core: Add rwlock_t task_list::kin_lock Kirill Tkhai
2015-05-25 17:45 ` [PATCH RFC 07/13] kin_lock: Implement helpers for kin_lock locking Kirill Tkhai
2015-05-25 17:45 ` [PATCH RFC 08/13] core: Use kin_lock synchronizations between parent and child and for thread group Kirill Tkhai
2015-05-25 17:45 ` Kirill Tkhai [this message]
2015-05-26 19:46 ` [PATCH RFC 09/13] exit: Use for_each_thread() in do_wait() Oleg Nesterov
2015-05-27 9:33 ` Kirill Tkhai
2015-05-27 9:42 ` Kirill Tkhai
2015-05-25 17:45 ` [PATCH RFC 10/13] exit: Add struct wait_opts's member held_lock and use it for tasklist_lock Kirill Tkhai
2015-05-25 17:46 ` [PATCH RFC 11/13] exit: Syncronize on kin_lock while do_notify_parent() Kirill Tkhai
2015-05-25 17:46 ` [PATCH RFC 12/13] exit: Delete write dependence on tasklist_lock in exit_notify() Kirill Tkhai
2015-05-25 17:46 ` [PATCH RFC 13/13] core: Nest tasklist_lock into task_struct::kin_lock Kirill Tkhai
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