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[S390] allnoconfig build error.

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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>
This commit is contained in:
Martin Schwidefsky
2008-04-17 07:45:58 +02:00
committed by Heiko Carstens
parent de553438eb
commit 374b8f45f1
1 changed files with 21 additions and 12 deletions
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33
include/asm-s390/tlbflush.h
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@@ -13,6 +13,7 @@ static inline void __tlb_flush_local(void)
asm volatile("ptlb" : : : "memory"); asm volatile("ptlb" : : : "memory");
} }
#ifdef CONFIG_SMP
/* /*
* Flush all tlb entries on all cpus. * 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" ); : : "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. * 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) static inline void __tlb_flush_mm(struct mm_struct * mm)
{ {
cpumask_t local_cpumask;
if (unlikely(cpus_empty(mm->cpu_vm_mask))) if (unlikely(cpus_empty(mm->cpu_vm_mask)))
return; return;
/* /*
@@ -69,16 +87,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
mm->context.asce_bits); mm->context.asce_bits);
return; return;
} }
preempt_disable(); __tlb_flush_full(mm);
/*
* 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();
} }
static inline void __tlb_flush_mm_cond(struct mm_struct * mm) static inline void __tlb_flush_mm_cond(struct mm_struct * mm)