Commit c3441edd authored by Vineet Gupta's avatar Vineet Gupta
Browse files

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
parent 6041003a

arch/arc/kernel/head.S

+4 −3
Original line number Diff line number Diff line
@@ -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

arch/arc/mm/cache_arc700.c

+1 −2
Original line number Diff line number Diff line
@@ -100,10 +100,9 @@ 
#define DC_CTRL_INV_MODE_FLUSH  0x40

#define DC_CTRL_FLUSH_STATUS    0x100



char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len)

char *arc_cache_mumbojumbo(int c, char *buf, int len)

{

	int n = 0;

	unsigned int c = smp_processor_id();



#define PR_CACHE(p, enb, str)						\

{									\