diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index c638228..ac73a38 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -277,11 +277,14 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
 	for (a = start; a < end; a++) {
 		instr = (u8 *)&a->instr_offset + a->instr_offset;
 		replacement = (u8 *)&a->repl_offset + a->repl_offset;
+		printk(KERN_ERR "start=%p a=%d instr_offset=%d instr=%pS repl_offset=%d repl=%pS instrlen=%d repllen=%d\n", start, (int)(a-start), a->instr_offset, instr, a->repl_offset, replacement, (int)a->instrlen, (int)a->replacementlen);
 		BUG_ON(a->replacementlen > a->instrlen);
 		BUG_ON(a->instrlen > sizeof(insnbuf));
 		BUG_ON(a->cpuid >= NCAPINTS*32);
-		if (!boot_cpu_has(a->cpuid))
+		if (!boot_cpu_has(a->cpuid)) {
+			printk(KERN_ERR "  no change\n");
 			continue;
+		}
 
 		memcpy(insnbuf, replacement, a->replacementlen);
 
@@ -293,6 +296,8 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
 			 a->instrlen - a->replacementlen);
 
 		text_poke_early(instr, insnbuf, a->instrlen);
+
+		printk(KERN_ERR "  done\n");
 	}
 }
 
@@ -533,7 +538,9 @@ void __init alternative_instructions(void)
 	 * patching.
 	 */
 
+	printk(KERN_ERR "About to apply_alternatives\n");
 	apply_alternatives(__alt_instructions, __alt_instructions_end);
+	printk(KERN_ERR "apply_alternatives done\n");
 
 	/* switch to patch-once-at-boottime-only mode and free the
 	 * tables in case we know the number of CPUs will never ever