X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Funaligned.c;fp=arch%2Fsparc64%2Fkernel%2Funaligned.c;h=a9b765271b85f9da4546c846f446ab383cecd781;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=001e8518331fb91bf56a28d2770e9cfef68769f0;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index 001e85183..a9b765271 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -20,6 +20,7 @@
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/bitops.h>
+#include <linux/kallsyms.h>
 #include <asm/fpumacro.h>
 
 /* #define DEBUG_MNA */
@@ -279,12 +280,22 @@ static void kernel_mna_trap_fault(void)
 
 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
 {
+	static unsigned long count, last_time;
 	enum direction dir = decode_direction(insn);
 	int size = decode_access_size(insn);
 
 	current_thread_info()->kern_una_regs = regs;
 	current_thread_info()->kern_una_insn = insn;
 
+	if (jiffies - last_time > 5 * HZ)
+		count = 0;
+	if (count < 5) {
+		last_time = jiffies;
+		count++;
+		printk("Kernel unaligned access at TPC[%lx] ", regs->tpc);
+		print_symbol("%s\n", regs->tpc);
+	}
+
 	if (!ok_for_kernel(insn) || dir == both) {
 		printk("Unsupported unaligned load/store trap for kernel "
 		       "at <%016lx>.\n", regs->tpc);