提交 27cc64c7 编写于 作者: D David S. Miller

[SPARC64]: Rate limited kernel unaligned trap logging, ala IA64.

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 20edac8a
......@@ -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);
......
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