[PATCH 3/8] arm: kdump: implement machine_crash_shutdown()

Mika Westerberg ext-mika.1.westerberg at nokia.com
Tue Apr 20 04:50:49 EDT 2010


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 at nokia.com>
---
 arch/arm/kernel/machine_kexec.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 598ca61..81e9898 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)
-- 
1.5.6.5




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