Re: [PATCH V2 05/11] {x86,powerpc,microblaze}/kmap: Move preempt disable

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On Sun, May 03, 2020 at 06:09:06PM -0700, ira.weiny@xxxxxxxxx wrote:
> From: Ira Weiny <ira.weiny@xxxxxxxxx>
> 
> During this kmap() conversion series we must maintain bisect-ability.
> To do this, kmap_atomic_prot() in x86, powerpc, and microblaze need to
> remain functional.
> 
> Create a temporary inline version of kmap_atomic_prot within these
> architectures so we can rework their kmap_atomic() calls and then lift
> kmap_atomic_prot() to the core.
> 
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
> 
> ---
> Changes from V1:
> 	New patch
> ---
>  arch/microblaze/include/asm/highmem.h | 11 ++++++++++-
>  arch/microblaze/mm/highmem.c          | 10 ++--------
>  arch/powerpc/include/asm/highmem.h    | 11 ++++++++++-
>  arch/powerpc/mm/highmem.c             |  9 ++-------
>  arch/x86/include/asm/highmem.h        | 11 ++++++++++-
>  arch/x86/mm/highmem_32.c              | 10 ++--------
>  6 files changed, 36 insertions(+), 26 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h
> index 0c94046f2d58..ec9954b091e1 100644
> --- a/arch/microblaze/include/asm/highmem.h
> +++ b/arch/microblaze/include/asm/highmem.h
> @@ -51,7 +51,16 @@ extern pte_t *pkmap_page_table;
>  #define PKMAP_NR(virt)  ((virt - PKMAP_BASE) >> PAGE_SHIFT)
>  #define PKMAP_ADDR(nr)  (PKMAP_BASE + ((nr) << PAGE_SHIFT))
>  
> -extern void *kmap_atomic_prot(struct page *page, pgprot_t prot);
> +extern void *kmap_atomic_high_prot(struct page *page, pgprot_t prot);
> +void *kmap_atomic_prot(struct page *page, pgprot_t prot)

Shouldn't this be marked inline?

The rest looks fine:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>



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