sh: make MMU-specific SMP code conditional on CONFIG_MMU

This is a prerequisite for adding NOMMU SMP support.

Signed-off-by: Rich Felker <dalias@libc.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index de6be008fc01..a66f2aa53dac 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -150,7 +150,9 @@ int __cpu_disable(void)
          * from the vm mask set of all processes.
          */
         flush_cache_all();
+#ifdef CONFIG_MMU
         local_flush_tlb_all();
+#endif
 
         clear_tasks_mm_cpumask(cpu);
 
@@ -183,8 +185,10 @@ asmlinkage void start_secondary(void)
         atomic_inc(&mm->mm_count);
         atomic_inc(&mm->mm_users);
         current->active_mm = mm;
+#ifdef CONFIG_MMU
         enter_lazy_tlb(mm, current);
         local_flush_tlb_all();
+#endif
 
         per_cpu_trap_init();
 
@@ -328,6 +332,8 @@ int setup_profiling_timer(unsigned int multiplier)
         return 0;
 }
 
+#ifdef CONFIG_MMU
+
 static void flush_tlb_all_ipi(void *info)
 {
         local_flush_tlb_all();
@@ -467,3 +473,5 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr)
         smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);
         local_flush_tlb_one(asid, vaddr);
 }
+
+#endif