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

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-06-21 22:31:08 -07:00
parent 20edac8ad4
commit 27cc64c7cc
1 changed files with 9 additions and 0 deletions
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9
arch/sparc64/kernel/unaligned.c
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@ -279,12 +279,21 @@ static void kernel_mna_trap_fault(void)
asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
{ {
static unsigned long count, last_time;
enum direction dir = decode_direction(insn); enum direction dir = decode_direction(insn);
int size = decode_access_size(insn); int size = decode_access_size(insn);
current_thread_info()->kern_una_regs = regs; current_thread_info()->kern_una_regs = regs;
current_thread_info()->kern_una_insn = insn; 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) { if (!ok_for_kernel(insn) || dir == both) {
printk("Unsupported unaligned load/store trap for kernel " printk("Unsupported unaligned load/store trap for kernel "
"at <%016lx>.\n", regs->tpc); "at <%016lx>.\n", regs->tpc);