linux-kernel - [PATCH 1/4] sched: s/do_each_thread/for_each_process

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Date:	Wed, 13 Aug 2014 21:19:53 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Rik van Riel <riel@...hat.com>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Frank Mayhar <fmayhar@...gle.com>,
	Frederic Weisbecker <fweisbec@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sanjay Rao <srao@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] sched: s/do_each_thread/for_each_process_thread/ in
	core.c

Change kernel/sched/core.c to use for_each_process_thread().

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 kernel/sched/core.c |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1211575..8a6506f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4505,7 +4505,7 @@ void show_state_filter(unsigned long state_filter)
 		"  task                        PC stack   pid father\n");
 #endif
 	rcu_read_lock();
-	do_each_thread(g, p) {
+	for_each_process_thread(g, p) {
 		/*
 		 * reset the NMI-timeout, listing all files on a slow
 		 * console might take a lot of time:
@@ -4513,7 +4513,7 @@ void show_state_filter(unsigned long state_filter)
 		touch_nmi_watchdog();
 		if (!state_filter || (p->state & state_filter))
 			sched_show_task(p);
-	} while_each_thread(g, p);
+	}
 
 	touch_all_softlockup_watchdogs();
 
@@ -7138,7 +7138,7 @@ void normalize_rt_tasks(void)
 	struct rq *rq;
 
 	read_lock_irqsave(&tasklist_lock, flags);
-	do_each_thread(g, p) {
+	for_each_process_thread(g, p) {
 		/*
 		 * Only normalize user tasks:
 		 */
@@ -7169,8 +7169,7 @@ void normalize_rt_tasks(void)
 
 		__task_rq_unlock(rq);
 		raw_spin_unlock(&p->pi_lock);
-	} while_each_thread(g, p);
-
+	}
 	read_unlock_irqrestore(&tasklist_lock, flags);
 }
 
@@ -7358,10 +7357,10 @@ static inline int tg_has_rt_tasks(struct task_group *tg)
 {
 	struct task_struct *g, *p;
 
-	do_each_thread(g, p) {
+	for_each_process_thread(g, p) {
 		if (rt_task(p) && task_rq(p)->rt.tg == tg)
 			return 1;
-	} while_each_thread(g, p);
+	}
 
 	return 0;
 }
-- 
1.5.5.1

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