commit c9dd012ce614217eda67cfc4bef7564576960046
author Geoff Levand <geoff@infradead.org> Mon Sep 22 10:33:42 2014 -0700
committer Geoff Levand <geoff@infradead.org> Mon Sep 22 10:33:42 2014 -0700
tree bef7c68fba68706a36f8b7267643565bc9a1efeb
parent b72c22634647c9d2fded3d51c1f150a7d920fc0c

debugging: dump kimage list

kernel/kexec.c

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 2bee072..87722d3 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -45,6 +45,8 @@
 #include <crypto/hash.h>
 #include <crypto/sha.h>
 
+static const int dump_list = 0;
+
 /* Per cpu memory for storing cpu states in case of system crash. */
 note_buf_t __percpu *crash_notes;
 
@@ -841,6 +843,7 @@
 		image->entry = ind_page;
 		image->last_entry = ind_page +
 				      ((PAGE_SIZE/sizeof(kimage_entry_t)) - 1);
+		if (dump_list) printk("  I: %010lx (%p)\n", (unsigned long)virt_to_phys(ind_page), ind_page);
 	}
 	*image->entry = entry;
 	image->entry++;
@@ -856,6 +859,7 @@
 
 	destination &= PAGE_MASK;
 	result = kimage_add_entry(image, destination | IND_DESTINATION);
+	if (dump_list) printk("  D: %010lx (%p)\n", destination, phys_to_virt(destination));
 	if (result == 0)
 		image->destination = destination;
 
@@ -869,6 +873,7 @@
 
 	page &= PAGE_MASK;
 	result = kimage_add_entry(image, page | IND_SOURCE);
+	if (dump_list) printk("  S: %010lx (%p)\n", page, phys_to_virt(page));
 	if (result == 0)
 		image->destination += PAGE_SIZE;