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| author | Dave Airlie <airlied@redhat.com> | 2016-07-02 15:56:01 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-07-02 15:56:01 +1000 |
| commit | 542d972221e024681b502033154f917c1455469f (patch) | |
| tree | 1c7c1be768f6e1b496a3edad6b105804a8d05c57 /arch/powerpc/include/asm/book3s/64/tlbflush.h | |
| parent | 583fa4e02775b26d76771d4e1ddc6f10ba005ef2 (diff) | |
| parent | 4c2e07c6a29e0129e975727b9f57eede813eea85 (diff) | |
| download | linux-542d972221e024681b502033154f917c1455469f.tar.gz | |
Back-merge tag 'v4.7-rc5' into drm-next
Linux 4.7-rc5
The fsl-dcu pull needs -rc3 so go to -rc5 for now.
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/tlbflush.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/tlbflush.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index d98424ae356c..96e5769b18b0 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -72,5 +72,19 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) #define flush_tlb_page(vma, addr) local_flush_tlb_page(vma, addr) #endif /* CONFIG_SMP */ +/* + * flush the page walk cache for the address + */ +static inline void flush_tlb_pgtable(struct mmu_gather *tlb, unsigned long address) +{ + /* + * Flush the page table walk cache on freeing a page table. We already + * have marked the upper/higher level page table entry none by now. + * So it is safe to flush PWC here. + */ + if (!radix_enabled()) + return; + radix__flush_tlb_pwc(tlb, address); +} #endif /* _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H */ |