]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - arch/x86/mm/fault.c
arch: mm: pass userspace fault flag to generic fault handler
[karo-tx-linux.git] / arch / x86 / mm / fault.c
index 654be4ae30475d881dc07831cb3129d153d5f7c9..6d77c3866faa31c2ca1a903445a2e4b29baffd3e 100644 (file)
@@ -1011,9 +1011,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code)
        unsigned long address;
        struct mm_struct *mm;
        int fault;
-       int write = error_code & PF_WRITE;
-       unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
-                                       (write ? FAULT_FLAG_WRITE : 0);
+       unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
        tsk = current;
        mm = tsk->mm;
@@ -1083,6 +1081,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code)
        if (user_mode_vm(regs)) {
                local_irq_enable();
                error_code |= PF_USER;
+               flags |= FAULT_FLAG_USER;
        } else {
                if (regs->flags & X86_EFLAGS_IF)
                        local_irq_enable();
@@ -1109,6 +1108,9 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code)
                return;
        }
 
+       if (error_code & PF_WRITE)
+               flags |= FAULT_FLAG_WRITE;
+
        /*
         * When running in the kernel we expect faults to occur only to
         * addresses in user space.  All other faults represent errors in