/* Handle bad interrupts */
static struct irq_desc bad_irq_desc = {
.handle_irq = handle_bad_irq,
- .lock = SPIN_LOCK_UNLOCKED
+ .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
};
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* We are not allocating bad_irq_desc.affinity or .pending_mask */
+#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
+#endif
+
/*
* do_IRQ handles all hardware IRQ's. Decoded IRQs should not
* come via this function. Instead, they should provide their
/* get the address */
address = read_cr2();
- if (unlikely(notify_page_fault(regs)))
- return;
- si_code = SEGV_MAPERR;
-
if (unlikely(kmmio_fault(regs, address)))
return;
return;
/* Can handle a stale RO->RW TLB */
- if (spurious_fault(address, error_code))
+ if (spurious_fault(error_code, address))
return;
+ /* kprobes don't want to hook the spurious faults. */
+ if (notify_page_fault(regs))
+ return;
/*
* Don't take the mm semaphore here. If we fixup a prefetch
* fault we could otherwise deadlock.
*/
- goto bad_area_nosemaphore;
+ bad_area_nosemaphore(regs, error_code, address);
+ return;
}
- /* kprobes don't want to hook the spurious faults. */
- if (notify_page_fault(regs))
++ if (unlikely(notify_page_fault(regs)))
+ return;
-
/*
* It's safe to allow irq's after cr2 has been saved and the
* vmalloc fault has been handled.