Remove clrex instruction from Cortex-M ports again as it is implicit in interrupt...

[freertos] / FreeRTOS / Source / portable / GCC / ARM_CM3_MPU / port.c

diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c
index 986b988240fd418bfaa9c9b7684c805471504737..d176bcc3567f1ab4c4ce38f899869f9730906096 100644 (file)
--- a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c
@@ -450,7 +450,6 @@ void xPortPendSVHandler( void )
                "       mrs r1, control                                         \n"\r
                "       stmdb r0!, {r1, r4-r11}                         \n" /* Save the remaining registers. */\r
                "       str r0, [r2]                                            \n" /* Save the new top of stack into the first member of the TCB. */\r
-               "       clrex                                                           \n" /* Ensure thread safety of atomic operations. */\r
                "                                                                               \n"\r
                "       stmdb sp!, {r3, r14}                            \n"\r
                "       mov r0, %0                                                      \n"\r