linux-kernel - [RFC PATCH v1 28/70] kernel, profile:

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Message-Id: <1406080786-3938-29-git-send-email-gong.chen@linux.intel.com>
Date:	Tue, 22 Jul 2014 21:59:04 -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 28/70] kernel, profile: _FROZEN Cleanup

Remove XXX_FROZEN state from kernel/profile.

Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
---
 kernel/profile.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/kernel/profile.c b/kernel/profile.c
index 54bf5ba..22bca4b 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -333,9 +333,8 @@ static int profile_cpu_callback(struct notifier_block *info,
 	int node, cpu = (unsigned long)__cpu;
 	struct page *page;
 
-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
-	case CPU_UP_PREPARE_FROZEN:
 		node = cpu_to_mem(cpu);
 		per_cpu(cpu_profile_flip, cpu) = 0;
 		if (!per_cpu(cpu_profile_hits, cpu)[1]) {
@@ -361,14 +360,11 @@ out_free:
 		__free_page(page);
 		return notifier_from_errno(-ENOMEM);
 	case CPU_ONLINE:
-	case CPU_ONLINE_FROZEN:
 		if (prof_cpu_mask != NULL)
 			cpumask_set_cpu(cpu, prof_cpu_mask);
 		break;
 	case CPU_UP_CANCELED:
-	case CPU_UP_CANCELED_FROZEN:
 	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
 		if (prof_cpu_mask != NULL)
 			cpumask_clear_cpu(cpu, prof_cpu_mask);
 		if (per_cpu(cpu_profile_hits, cpu)[0]) {
-- 
2.0.0.rc2

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