*/
#define VM_FAULT_BADMAP ((__force vm_fault_t)0x40000000)
#define VM_FAULT_BADACCESS ((__force vm_fault_t)0x20000000)
-#define VM_FAULT_SIGNAL ((__force vm_fault_t)0x10000000)
enum fault_type {
KERNEL_FAULT,
}
do_no_context(regs);
break;
- case VM_FAULT_SIGNAL:
- if (!user_mode(regs))
- do_no_context(regs);
- break;
default: /* fault & VM_FAULT_ERROR */
if (fault & VM_FAULT_OOM) {
if (!user_mode(regs))
count_vm_vma_lock_event(VMA_LOCK_RETRY);
/* Quick path to respond to signals */
if (fault_signal_pending(fault, regs)) {
- fault = VM_FAULT_SIGNAL;
- goto out;
+ if (!user_mode(regs))
+ handle_fault_error_nolock(regs);
+ return;
}
lock_mmap:
mmap_read_lock(mm);
goto out_up;
fault = handle_mm_fault(vma, address, flags, regs);
if (fault_signal_pending(fault, regs)) {
- fault = VM_FAULT_SIGNAL;
if (flags & FAULT_FLAG_RETRY_NOWAIT)
- goto out_up;
- goto out;
+ mmap_read_unlock(mm);
+ if (!user_mode(regs))
+ handle_fault_error_nolock(regs);
+ return;
}
/* The fault is fully completed (including releasing mmap lock) */
if (fault & VM_FAULT_COMPLETED) {