sparc32: Don't btfixup cache flush ops for viking multiple times.
Just do it once.
Pointed out by Al Viro.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index dd8aa36..56df599 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1916,18 +1916,6 @@
mreg |= VIKING_SBENABLE;
mreg &= ~(VIKING_ACENABLE);
srmmu_set_mmureg(mreg);
-
-#ifdef CONFIG_SMP
- /* Avoid unnecessary cross calls. */
- BTFIXUPCOPY_CALL(flush_cache_all, local_flush_cache_all);
- BTFIXUPCOPY_CALL(flush_cache_mm, local_flush_cache_mm);
- BTFIXUPCOPY_CALL(flush_cache_range, local_flush_cache_range);
- BTFIXUPCOPY_CALL(flush_cache_page, local_flush_cache_page);
- BTFIXUPCOPY_CALL(__flush_page_to_ram, local_flush_page_to_ram);
- BTFIXUPCOPY_CALL(flush_sig_insns, local_flush_sig_insns);
- BTFIXUPCOPY_CALL(flush_page_for_dma, local_flush_page_for_dma);
- btfixup();
-#endif
}
static void __init init_viking(void)
@@ -2272,6 +2260,17 @@
BTFIXUPSET_CALL(__flush_page_to_ram, smp_flush_page_to_ram, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_sig_insns, smp_flush_sig_insns, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_page_for_dma, smp_flush_page_for_dma, BTFIXUPCALL_NORM);
+
+ if (poke_srmmu == poke_viking) {
+ /* Avoid unnecessary cross calls. */
+ BTFIXUPCOPY_CALL(flush_cache_all, local_flush_cache_all);
+ BTFIXUPCOPY_CALL(flush_cache_mm, local_flush_cache_mm);
+ BTFIXUPCOPY_CALL(flush_cache_range, local_flush_cache_range);
+ BTFIXUPCOPY_CALL(flush_cache_page, local_flush_cache_page);
+ BTFIXUPCOPY_CALL(__flush_page_to_ram, local_flush_page_to_ram);
+ BTFIXUPCOPY_CALL(flush_sig_insns, local_flush_sig_insns);
+ BTFIXUPCOPY_CALL(flush_page_for_dma, local_flush_page_for_dma);
+ }
#endif
if (sparc_cpu_model == sun4d)