ARC: [SMP] General Fixes

-Pass the expected arg to non-boot park'ing routine
 (It worked so far because existing SMP backends don't use the arg)

-CONFIG_DEBUG_PREEMPT warning

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 991997269d02..4ad04915dc6b 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -24,13 +24,13 @@
         .globl stext
 stext:
         ;-------------------------------------------------------------------
-        ; Don't clobber r0-r4 yet. It might have bootloader provided info
+        ; Don't clobber r0-r2 yet. It might have bootloader provided info
         ;-------------------------------------------------------------------
 
         sr      @_int_vec_base_lds, [AUX_INTR_VEC_BASE]
 
 #ifdef CONFIG_SMP
-        ; Only Boot (Master) proceeds. Others wait in platform dependent way
+        ; Ensure Boot (Master) proceeds. Others wait in platform dependent way
         ;       IDENTITY Reg [ 3  2  1  0 ]
         ;       (cpu-id)             ^^^        => Zero for UP ARC700
         ;                                       => #Core-ID if SMP (Master 0)
@@ -39,7 +39,8 @@ stext:
         ; need to make sure only boot cpu takes this path.
         GET_CPU_ID  r5
         cmp     r5, 0
-        jnz     arc_platform_smp_wait_to_boot
+        mov.ne  r0, r5
+        jne     arc_platform_smp_wait_to_boot
 #endif
         ; Clear BSS before updating any globals
         ; XXX: use ZOL here