On Thu, Apr 22, 2021 at 11:13:19AM +0530, Aneesh Kumar K.V wrote:
> No functional change in this patch
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
> ---
> .../include/asm/book3s/64/tlbflush-radix.h | 19 +++++++-----
> arch/powerpc/include/asm/book3s/64/tlbflush.h | 23 ++++++++++++---
> arch/powerpc/mm/book3s64/radix_hugetlbpage.c | 4 +--
> arch/powerpc/mm/book3s64/radix_tlb.c | 29 +++++++------------
> 4 files changed, 42 insertions(+), 33 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
> b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
> index 8b33601cdb9d..171441a43b35 100644
> --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
> +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
> @@ -56,15 +56,18 @@ static inline void radix__flush_all_lpid_guest(unsigned
> int lpid)
> }
> #endif
>
> -extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
> - unsigned long start, unsigned long
> end);
> -extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long
> start,
> - unsigned long end, int psize);
> -extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
> - unsigned long start, unsigned long end);
> -extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long
> start,
> +void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
> + unsigned long start, unsigned long end,
> + bool flush_pwc);
> +void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
> + unsigned long start, unsigned long end,
> + bool flush_pwc);
> +void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long
> start,
> + unsigned long end, int psize, bool
> flush_pwc);
> +void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
> unsigned long end);
> -extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long
> end);
> +void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end);
> +
>
> extern void radix__local_flush_tlb_mm(struct mm_struct *mm);
> extern void radix__local_flush_all_mm(struct mm_struct *mm);
> diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h
> b/arch/powerpc/include/asm/book3s/64/tlbflush.h
> index 215973b4cb26..f9f8a3a264f7 100644
> --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
> +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
> @@ -45,13 +45,30 @@ static inline void tlbiel_all_lpid(bool radix)
> hash__tlbiel_all(TLB_INVAL_SCOPE_LPID);
> }
>
> +static inline void flush_pmd_tlb_pwc_range(struct vm_area_struct *vma,
^^^^
> + unsigned long start,
> + unsigned long end,
> + bool flush_pwc)
> +{
> + if (radix_enabled())
> + return radix__flush_pmd_tlb_range(vma, start, end, flush_pwc);
> + return hash__flush_tlb_range(vma, start, end);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> +}
>
> #define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
> static inline void flush_pmd_tlb_range(struct vm_area_struct *vma,
^^^^
> unsigned long start, unsigned long end)
> +{
> + return flush_pmd_tlb_pwc_range(vma, start, end, false);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Doesn't that cause build warnings/errors all over the place ?
Guenter
