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| author |   Rich Felker <dalias@libc.org> | 2016-02-12 22:11:55 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@libc.org> | 2016-03-17 19:46:08 +0000 |
| commit | 5f2cb34d034fab41dfaabb4403af6e83e04f30df (patch) | |
| tree | 2fbdf9ea59455f82797188f3f052f838ff7a6118 /arch | |
| parent | sh: provide unified syscall trap compatible with all SH models (diff) | |
| download | linux-dev-5f2cb34d034fab41dfaabb4403af6e83e04f30df.tar.xz linux-dev-5f2cb34d034fab41dfaabb4403af6e83e04f30df.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/smp.c | 8 |
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 |