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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-04-17 07:45:58 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-17 07:46:56 +0200
commit374b8f45f1d5cb17f45ba1d7c74ce8cc9e2f1407 (patch)
tree5726355757f8aa94804e1fd0420f987223682f62
parentde553438eb6c487f72d46019eb3821f6687ce011 (diff)
[S390] allnoconfig build error.
Fix the following link error with allnoconfig: vmem.c:(.text+0x175c): undefined reference to `smp_ptlb_all' vmem.c:(.text+0x1b24): undefined reference to `smp_ptlb_all' fork.c:(.text+0x4190): undefined reference to `smp_ptlb_all' : undefined reference to `smp_ptlb_all' : undefined reference to `smp_ptlb_all' mm/built-in.o:: more undefined references to `smp_ptlb_all' follow make[1]: *** [.tmp_vmlinux1] Error 1 make: *** [sub-make] Error 2 Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
-rw-r--r--include/asm-s390/tlbflush.h33
1 files changed, 21 insertions, 12 deletions
diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h
index 35fb4f9127b..de723470c5d 100644
--- a/include/asm-s390/tlbflush.h
+++ b/include/asm-s390/tlbflush.h
@@ -13,6 +13,7 @@ static inline void __tlb_flush_local(void)
asm volatile("ptlb" : : : "memory");
}
+#ifdef CONFIG_SMP
/*
* Flush all tlb entries on all cpus.
*/
@@ -39,6 +40,25 @@ static inline void __tlb_flush_global(void)
: : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" );
}
+static inline void __tlb_flush_full(struct mm_struct *mm)
+{
+ cpumask_t local_cpumask;
+
+ preempt_disable();
+ /*
+ * If the process only ran on the local cpu, do a local flush.
+ */
+ local_cpumask = cpumask_of_cpu(smp_processor_id());
+ if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
+ __tlb_flush_local();
+ else
+ __tlb_flush_global();
+ preempt_enable();
+}
+#else
+#define __tlb_flush_full(mm) __tlb_flush_local()
+#endif
+
/*
* Flush all tlb entries of a page table on all cpus.
*/
@@ -51,8 +71,6 @@ static inline void __tlb_flush_idte(unsigned long asce)
static inline void __tlb_flush_mm(struct mm_struct * mm)
{
- cpumask_t local_cpumask;
-
if (unlikely(cpus_empty(mm->cpu_vm_mask)))
return;
/*
@@ -69,16 +87,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
mm->context.asce_bits);
return;
}
- preempt_disable();
- /*
- * If the process only ran on the local cpu, do a local flush.
- */
- local_cpumask = cpumask_of_cpu(smp_processor_id());
- if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
- __tlb_flush_local();
- else
- __tlb_flush_global();
- preempt_enable();
+ __tlb_flush_full(mm);
}
static inline void __tlb_flush_mm_cond(struct mm_struct * mm)