linux-kernel - [RFC PATCH v1 31/70] kernel, relay:

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Message-Id: <1406080786-3938-32-git-send-email-gong.chen@linux.intel.com>
Date:	Tue, 22 Jul 2014 21:59:07 -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 31/70] kernel, relay: _FROZEN Cleanup

Remove XXX_FROZEN state from fs/relay.

Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
---
 kernel/relay.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/relay.c b/kernel/relay.c
index 5a56d3c..3f7b6b1 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -523,9 +523,8 @@ static int relay_hotcpu_callback(struct notifier_block *nb,
 	unsigned int hotcpu = (unsigned long)hcpu;
 	struct rchan *chan;
 
-	switch(action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
-	case CPU_UP_PREPARE_FROZEN:
 		mutex_lock(&relay_channels_mutex);
 		list_for_each_entry(chan, &relay_channels, list) {
 			if (chan->buf[hotcpu])
@@ -542,7 +541,6 @@ static int relay_hotcpu_callback(struct notifier_block *nb,
 		mutex_unlock(&relay_channels_mutex);
 		break;
 	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
 		/* No need to flush the cpu : will be flushed upon
 		 * final relay_flush() call. */
 		break;
-- 
2.0.0.rc2

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