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>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 598ca61e7bca..81e989858d42 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)