]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - arch/metag/mm/fault.c
arch: mm: pass userspace fault flag to generic fault handler
[karo-tx-linux.git] / arch / metag / mm / fault.c
index 8fddf46e6c62f3d7570a65d5d0034a185e46985e..332680e5ebf23c7909b796c415c2273efd77ba3c 100644 (file)
@@ -53,8 +53,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
        struct vm_area_struct *vma, *prev_vma;
        siginfo_t info;
        int fault;
-       unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
-                               (write_access ? FAULT_FLAG_WRITE : 0);
+       unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
        tsk = current;
 
@@ -109,6 +108,8 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
        if (in_atomic() || !mm)
                goto no_context;
 
+       if (user_mode(regs))
+               flags |= FAULT_FLAG_USER;
 retry:
        down_read(&mm->mmap_sem);
 
@@ -121,6 +122,7 @@ good_area:
        if (write_access) {
                if (!(vma->vm_flags & VM_WRITE))
                        goto bad_area;
+               flags |= FAULT_FLAG_WRITE;
        } else {
                if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)))
                        goto bad_area;