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authorDavid S. Miller <davem@sunset.davemloft.net>2006-06-21 22:31:08 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-23 23:15:11 -0700
commit27cc64c7cc9e41788e53655c717aeca2f55f2041 (patch)
tree2ea1c64dcbf34013499d12f95fdb9db2b947d43c
parent20edac8ad487b784a286c1e59cc24819cb8d3b86 (diff)
[SPARC64]: Rate limited kernel unaligned trap logging, ala IA64.
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc64/kernel/unaligned.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index 001e8518331..bb2d6857785 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -279,12 +279,21 @@ 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]\n", regs->tpc);
+ }
+
if (!ok_for_kernel(insn) || dir == both) {
printk("Unsupported unaligned load/store trap for kernel "
"at <%016lx>.\n", regs->tpc);