linux-kernel - [RFC PATCH v1 30/70] kernel, hrtimer:

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Message-Id: <1406080786-3938-31-git-send-email-gong.chen@linux.intel.com>
Date:	Tue, 22 Jul 2014 21:59:06 -0400
From:	"Chen, Gong" <gong.chen@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, tglx@...utronix.de, paulus@...ba.org,
	benh@...nel.crashing.org, tony.luck@...el.com, hpa@...or.com,
	jkosina@...e.cz, rafael.j.wysocki@...el.com, bp@...en8.de,
	linux@....linux.org.uk, ralf@...ux-mips.org,
	schwidefsky@...ibm.com, davem@...emloft.net,
	viro@...iv.linux.org.uk, fweisbec@...il.com, cl@...ux.com,
	akpm@...ux-foundation.org, axboe@...nel.dk,
	JBottomley@...allels.com, neilb@...e.de,
	christoffer.dall@...aro.org, rostedt@...dmis.org, rric@...nel.org,
	gregkh@...uxfoundation.org, mhocko@...e.cz, david@...morbit.com,
	"Chen, Gong" <gong.chen@...ux.intel.com>
Subject: [RFC PATCH v1 30/70] kernel, hrtimer: _FROZEN Cleanup

Remove XXX_FROZEN state from kernel/hrtimer.

Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
---
 kernel/hrtimer.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 3ab2899..a37958e 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1756,27 +1756,19 @@ static int hrtimer_cpu_notify(struct notifier_block *self,
 {
 	int scpu = (long)hcpu;
 
-	switch (action) {
-
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
-	case CPU_UP_PREPARE_FROZEN:
 		init_hrtimers_cpu(scpu);
 		break;
-
 #ifdef CONFIG_HOTPLUG_CPU
 	case CPU_DYING:
-	case CPU_DYING_FROZEN:
 		clockevents_notify(CLOCK_EVT_NOTIFY_CPU_DYING, &scpu);
 		break;
 	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
-	{
 		clockevents_notify(CLOCK_EVT_NOTIFY_CPU_DEAD, &scpu);
 		migrate_hrtimers(scpu);
 		break;
-	}
 #endif
-
 	default:
 		break;
 	}
-- 
2.0.0.rc2

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