From: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
Date: Thu, 20 Aug 2015 21:29:35 +0000 (+0300)
Subject: [FIX] Avoid non-boot CPUs disabling on stop
X-Git-Tag: submit/tizen_2.4/20150912.103527~31
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f013e0deee8a5e4efe79a55486b5a6e8fcece391;p=kernel%2Fswap-modules.git

[FIX] Avoid non-boot CPUs disabling on stop

On some targets disabling non-boot CPUs may lead to errors in
kernel (i.e. crashes).

Change-Id: I09de281b9f47e40e136a9e30b77db36d95278d52
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
---

diff --git a/parser/swap_msg_parser.c b/parser/swap_msg_parser.c
index bed50d0..e5f929d 100644
--- a/parser/swap_msg_parser.c
+++ b/parser/swap_msg_parser.c
@@ -110,17 +110,10 @@ static int msg_handler(void __user *msg)
 		print_parse_debug("MSG_START. size=%d\n", size);
 		ret = msg_start(&mb);
 		break;
-	case MSG_STOP: {
-		struct cpumask mask;
-
+	case MSG_STOP:
 		print_parse_debug("MSG_STOP. size=%d\n", size);
-
-		swap_disable_nonboot_cpus_lock(&mask);
 		ret = msg_stop(&mb);
-		swap_enable_nonboot_cpus_unlock(&mask);
-
 		break;
-	}
 	case MSG_CONFIG:
 		print_parse_debug("MSG_CONFIG. size=%d\n", size);
 		ret = msg_config(&mb);