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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-17 07:45:58 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-17 07:46:56 +0200 |
| commit | 374b8f45f1d5cb17f45ba1d7c74ce8cc9e2f1407 (patch) | |
| tree | 5726355757f8aa94804e1fd0420f987223682f62 /include/asm-s390 | |
| parent | de553438eb6c487f72d46019eb3821f6687ce011 (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>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/tlbflush.h | 33 |
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) |