From: Mika Westerberg <mika.westerberg@iki.fi>
Date: Mon, 10 May 2010 08:23:37 +0000 (+0100)
Subject: ARM: 6118/1: kdump: implement machine_crash_shutdown()
X-Git-Tag: v2.6.36-rc1~591^2~2^4~3
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=c63836204b27faec5a22d4b53692690cb967aaac;p=net-next-2.6.git

ARM: 6118/1: kdump: implement machine_crash_shutdown()

Implement function machine_crash_shutdown() which disables IRQs and
saves machine state to ELF notes structure.

Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 598ca61e7bc..81e989858d4 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -43,6 +43,10 @@ void machine_shutdown(void)
 
 void machine_crash_shutdown(struct pt_regs *regs)
 {
+	local_irq_disable();
+	crash_save_cpu(regs, smp_processor_id());
+
+	printk(KERN_INFO "Loading crashdump kernel...\n");
 }
 
 void machine_kexec(struct kimage *image)