linux-kernel - [RFC PATCH 2/6] arm64: Support restart through restart notifier call chain

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Message-Id: <1404155499-21177-3-git-send-email-linux@roeck-us.net>
Date:	Mon, 30 Jun 2014 12:11:35 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	linux-watchdog@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc:	Wim Van Sebroeck <wim@...ana.be>,
	Catalin Marinas <catalin.marinas@....com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Will Deacon <will.deacon@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Heiko Stuebner <heiko@...ech.de>,
	Russell King <linux@....linux.org.uk>,
	Jonas Jensen <jonas.jensen@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>
Subject: [RFC PATCH 2/6] arm64: Support restart through restart notifier call chain

The kernel core now supports a notifier call chain to restart the system.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 arch/arm64/kernel/process.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 43b7c34..9dd2abd 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -43,6 +43,7 @@
 #include <linux/hw_breakpoint.h>
 #include <linux/personality.h>
 #include <linux/notifier.h>
+#include <linux/watchdog.h>
 
 #include <asm/compat.h>
 #include <asm/cacheflush.h>
@@ -175,6 +176,8 @@ void machine_restart(char *cmd)
 	if (arm_pm_restart)
 		arm_pm_restart(reboot_mode, cmd);
 
+	blocking_notifier_call_chain(&restart_notifier_list, reboot_mode, cmd);
+
 	/*
 	 * Whoops - the architecture was unable to reboot.
 	 */
-- 
1.9.1

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