Merge branch 'mv-merge'

[powerpc.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index f248bbf..355914f 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -484,7 +484,6 @@ call_fpe:
        movcss  r7, r5, lsr #(TIF_USING_IWMMXT + 1)
        bcs     iwmmxt_task_enable
 #endif
-       enable_irq
        add     pc, pc, r8, lsr #6
        mov     r0, r0
 
@@ -511,6 +510,7 @@ call_fpe:
        mov     pc, lr                          @ CP#15 (Control)
 
 do_fpe:
+       enable_irq
        ldr     r4, .LCfp
        add     r10, r10, #TI_FPSTATE           @ r10 = workspace
        ldr     pc, [r4]                        @ Call FP module USR entry point
@@ -566,7 +566,7 @@ ENTRY(__switch_to)
        ldr     r6, [r2, #TI_CPU_DOMAIN]!
 #endif
 #if __LINUX_ARM_ARCH__ >= 6
-#ifdef CONFIG_CPU_MPCORE
+#ifdef CONFIG_CPU_32v6K
        clrex
 #else
        strex   r5, r4, [ip]                    @ Clear exclusive monitor
@@ -709,7 +709,12 @@ __kuser_memory_barrier:                            @ 0xffff0fa0
  * The C flag is also set if *ptr was changed to allow for assembly
  * optimization in the calling code.
  *
- * Note: this routine already includes memory barriers as needed.
+ * Notes:
+ *
+ *    - This routine already includes memory barriers as needed.
+ *
+ *    - A failure might be transient, i.e. it is possible, although unlikely,
+ *      that "failure" be returned even if *ptr == oldval.
  *
  * For example, a user space atomic_add implementation could look like this:
  *