if (faulthandler_disabled() || !mm)
goto no_context;
-#ifdef CONFIG_VIRTUAL_MEM_MAP
- /*
- * If fault is in region 5 and we are in the kernel, we may already
- * have the mmap_lock (pfn_valid macro is called during mmap). There
- * is no vma for region 5 addr's anyway, so skip getting the semaphore
- * and go directly to the exception handling code.
- */
-
- if ((REGION_NUMBER(address) == 5) && !user_mode(regs))
- goto bad_area_no_up;
-#endif
-
/*
* This is to handle the kprobes on user space access instructions
*/
bad_area:
mmap_read_unlock(mm);
-#ifdef CONFIG_VIRTUAL_MEM_MAP
- bad_area_no_up:
-#endif
if ((isr & IA64_ISR_SP)
|| ((isr & IA64_ISR_NA) && (isr & IA64_ISR_CODE_MASK) == IA64_ISR_CODE_LFETCH))
{