linux-kernel - [PATCH] sh: smp: Add missing FROZEN hotplug notifier transitions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:	Tue, 24 May 2016 15:19:35 +0200
From:	Anna-Maria Gleixner <anna-maria@...utronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	rt@...utronix.de, Anna-Maria Gleixner <anna-maria@...utronix.de>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org
Subject: [PATCH] sh: smp: Add missing FROZEN hotplug notifier transitions

The corresponding FROZEN hotplug notifier transitions used on
suspend/resume are ignored. Therefore the switch case action argument
is masked with the frozen hotplug notifier transition mask.

Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Cc: linux-sh@...r.kernel.org
Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de>
---
 arch/sh/kernel/cpu/sh4a/smp-shx3.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
@@ -127,7 +127,7 @@ shx3_cpu_callback(struct notifier_block
 {
 	unsigned int cpu = (unsigned int)hcpu;
 
-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
 		shx3_update_boot_vector(cpu);
 		break;