0001-Use-xdb-insteading-of-kdump-to-debug.patch

From 19e2242b50ed2cf831bb386f08d18f8603d0bb46 Mon Sep 17 00:00:00 2001
From: Haifeng Li <hfli@marvell.com>
Date: Fri, 10 May 2013 17:07:44 +0800
Subject: [PATCH] Use xdb insteading of kdump to debug

---
 kernel/kexec.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 4e2e472..7e8b8d6 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1089,14 +1089,16 @@ void crash_kexec(struct pt_regs *regs)
 	 * sufficient.  But since I reuse the memory...
 	 */
 	if (mutex_trylock(&kexec_mutex)) {
-		if (kexec_crash_image) {
+//		if (kexec_crash_image) {
 			struct pt_regs fixed_regs;
 
 			crash_setup_regs(&fixed_regs, regs);
 			crash_save_vmcoreinfo();
 			machine_crash_shutdown(&fixed_regs);
-			machine_kexec(kexec_crash_image);
-		}
+			flush_cache_all();
+			printk("%s:Kexec Over\n",__func__);
+//			machine_kexec(kexec_crash_image);
+//		}
 		mutex_unlock(&kexec_mutex);
 	}
 }
@@ -1179,10 +1181,10 @@ static u32 *append_elf_note(u32 *buf, char *name, unsigned type, void *data,
 			    size_t data_len)
 {
 	struct elf_note note;
-
 	note.n_namesz = strlen(name) + 1;
 	note.n_descsz = data_len;
 	note.n_type   = type;
+	printk("note.name_sz:%d\n",note.n_namesz);
 	memcpy(buf, &note, sizeof(note));
 	buf += (sizeof(note) + 3)/4;
 	memcpy(buf, name, note.n_namesz);
-- 
1.7.9.5