Complete irq tracing support for ARM

[platform/kernel/linux-starfive.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 83b1da6..792abd0 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -151,6 +151,8 @@ ENDPROC(__und_invalid)
        @  r4 - orig_r0 (see pt_regs definition in ptrace.h)
        @
        stmia   r5, {r0 - r4}
+
+       asm_trace_hardirqs_off
        .endm
 
        .align  5
@@ -206,9 +208,6 @@ ENDPROC(__dabt_svc)
 __irq_svc:
        svc_entry
 
-#ifdef CONFIG_TRACE_IRQFLAGS
-       bl      trace_hardirqs_off
-#endif
 #ifdef CONFIG_PREEMPT
        get_thread_info tsk
        ldr     r8, [tsk, #TI_PREEMPT]          @ get preempt count
@@ -383,6 +382,8 @@ ENDPROC(__pabt_svc)
        @ Clear FP to mark the first stack frame
        @
        zero_fp
+
+       asm_trace_hardirqs_off
        .endm
 
        .macro  kuser_cmpxchg_check
@@ -437,9 +438,6 @@ __irq_usr:
        usr_entry
        kuser_cmpxchg_check
 
-#ifdef CONFIG_TRACE_IRQFLAGS
-       bl      trace_hardirqs_off
-#endif
        get_thread_info tsk
 #ifdef CONFIG_PREEMPT
        ldr     r8, [tsk, #TI_PREEMPT]          @ get preempt count
@@ -482,6 +480,9 @@ __und_usr:
        subeq   r4, r2, #4                      @ ARM instr at LR - 4
        subne   r4, r2, #2                      @ Thumb instr at LR - 2
 1:     ldreqt  r0, [r4]
+#ifdef CONFIG_CPU_ENDIAN_BE8
+       reveq   r0, r0                          @ little endian instruction
+#endif
        beq     call_fpe
        @ Thumb instruction
 #if __LINUX_ARM_ARCH__ >= 7