ARM: rockchip: rk3228: implement function rk3228_restart
[firefly-linux-kernel-4.4.55.git] / arch / arm / kernel / entry-common.S
index 4bc816a74a2ee9e9e478165846f4b79680bb395c..ce77f7b78ff3a25f3a0eb67bb95553d03cebcf15 100644 (file)
@@ -32,7 +32,9 @@ ret_fast_syscall:
  UNWIND(.fnstart       )
  UNWIND(.cantunwind    )
        disable_irq                             @ disable interrupts
-       ldr     r1, [tsk, #TI_FLAGS]
+       ldr     r1, [tsk, #TI_FLAGS]            @ re-check for syscall tracing
+       tst     r1, #_TIF_SYSCALL_WORK
+       bne     __sys_trace_return
        tst     r1, #_TIF_WORK_MASK
        bne     fast_work_pending
        asm_trace_hardirqs_on
@@ -389,9 +391,7 @@ ENTRY(vector_swi)
 #else
  USER( ldr     r10, [lr, #-4]          )       @ get SWI instruction
 #endif
-#ifdef CONFIG_CPU_ENDIAN_BE8
-       rev     r10, r10                        @ little endian instruction
-#endif
+ ARM_BE8(rev   r10, r10)                       @ little endian instruction
 
 #elif defined(CONFIG_AEABI)