X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Fsparc%2Finclude%2Fasm%2Ftlbflush_64.h;fp=kernel%2Farch%2Fsparc%2Finclude%2Fasm%2Ftlbflush_64.h;h=dea1cfa2122bec28ea36a34bec543d2dc4747f9b;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/arch/sparc/include/asm/tlbflush_64.h b/kernel/arch/sparc/include/asm/tlbflush_64.h new file mode 100644 index 000000000..dea1cfa21 --- /dev/null +++ b/kernel/arch/sparc/include/asm/tlbflush_64.h @@ -0,0 +1,68 @@ +#ifndef _SPARC64_TLBFLUSH_H +#define _SPARC64_TLBFLUSH_H + +#include + +/* TSB flush operations. */ + +#define TLB_BATCH_NR 192 + +struct tlb_batch { + struct mm_struct *mm; + unsigned long tlb_nr; + unsigned long active; + unsigned long vaddrs[TLB_BATCH_NR]; +}; + +void flush_tsb_kernel_range(unsigned long start, unsigned long end); +void flush_tsb_user(struct tlb_batch *tb); +void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr); + +/* TLB flush operations. */ + +static inline void flush_tlb_mm(struct mm_struct *mm) +{ +} + +static inline void flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) +{ +} + +static inline void flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ +} + +void flush_tlb_kernel_range(unsigned long start, unsigned long end); + +#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE + +void flush_tlb_pending(void); +void arch_enter_lazy_mmu_mode(void); +void arch_leave_lazy_mmu_mode(void); +#define arch_flush_lazy_mmu_mode() do {} while (0) + +/* Local cpu only. */ +void __flush_tlb_all(void); +void __flush_tlb_page(unsigned long context, unsigned long vaddr); +void __flush_tlb_kernel_range(unsigned long start, unsigned long end); + +#ifndef CONFIG_SMP + +static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr) +{ + __flush_tlb_page(CTX_HWBITS(mm->context), vaddr); +} + +#else /* CONFIG_SMP */ + +void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); +void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr); + +#define global_flush_tlb_page(mm, vaddr) \ + smp_flush_tlb_page(mm, vaddr) + +#endif /* ! CONFIG_SMP */ + +#endif /* _SPARC64_TLBFLUSH_H */