Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[linux-drm-fsl-dcu.git] / arch / arm64 / kernel / entry.S

diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index e1166145ca29b59801c84420e1f98225650f4580..4d2c6f3f0c4186da25fb1d6932d2671040941df2 100644 (file)
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -309,15 +309,12 @@ el1_irq:
 #ifdef CONFIG_TRACE_IRQFLAGS
        bl      trace_hardirqs_off
 #endif
-#ifdef CONFIG_PREEMPT
-       get_thread_info tsk
-       ldr     w24, [tsk, #TI_PREEMPT]         // get preempt count
-       add     w0, w24, #1                     // increment it
-       str     w0, [tsk, #TI_PREEMPT]
-#endif
+
        irq_handler
+
 #ifdef CONFIG_PREEMPT
-       str     w24, [tsk, #TI_PREEMPT]         // restore preempt count
+       get_thread_info tsk
+       ldr     w24, [tsk, #TI_PREEMPT]         // restore preempt count
        cbnz    w24, 1f                         // preempt count != 0
        ldr     x0, [tsk, #TI_FLAGS]            // get flags
        tbz     x0, #TIF_NEED_RESCHED, 1f       // needs rescheduling?
@@ -507,22 +504,10 @@ el0_irq_naked:
 #ifdef CONFIG_TRACE_IRQFLAGS
        bl      trace_hardirqs_off
 #endif
-       get_thread_info tsk
-#ifdef CONFIG_PREEMPT
-       ldr     w24, [tsk, #TI_PREEMPT]         // get preempt count
-       add     w23, w24, #1                    // increment it
-       str     w23, [tsk, #TI_PREEMPT]
-#endif
+
        irq_handler
-#ifdef CONFIG_PREEMPT
-       ldr     w0, [tsk, #TI_PREEMPT]
-       str     w24, [tsk, #TI_PREEMPT]
-       cmp     w0, w23
-       b.eq    1f
-       mov     x1, #0
-       str     x1, [x1]                        // BUG
-1:
-#endif
+       get_thread_info tsk
+
 #ifdef CONFIG_TRACE_IRQFLAGS
        bl      trace_hardirqs_on
 #endif