ARM: entry: provide uaccess assembly macro hooks

[sfrench/cifs-2.6.git] / arch / arm / mm / abort-lv4t.S

diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S
index f3982580c273057b89a1c025cb52f0f54093014f..6d8e8e3365d17321f03b37fa67ab04a65b29f4ca 100644 (file)
--- a/arch/arm/mm/abort-lv4t.S
+++ b/arch/arm/mm/abort-lv4t.S
@@ -26,6 +26,7 @@ ENTRY(v4t_late_abort)
 #endif
        bne     .data_thumb_abort
        ldr     r8, [r4]                        @ read arm instruction
+       uaccess_disable ip                      @ disable userspace access
        tst     r8, #1 << 20                    @ L = 1 -> write?
        orreq   r1, r1, #1 << 11                @ yes.
        and     r7, r8, #15 << 24
@@ -155,6 +156,7 @@ ENTRY(v4t_late_abort)
 
 .data_thumb_abort:
        ldrh    r8, [r4]                        @ read instruction
+       uaccess_disable ip                      @ disable userspace access
        tst     r8, #1 << 11                    @ L = 1 -> write?
        orreq   r1, r1, #1 << 8                 @ yes
        and     r7, r8, #15 << 12