Re: [Xen-devel] [for-4.11][PATCH v7 03/16] xen/arm: mm: Use gaddr_to_gfn rather than _gfn(paddr_to_pfn(...))

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 3 Apr 2018, Julien Grall wrote:
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

> ---
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> 
>     Changes in v7:
>         - Add George's reviewed-by
> 
>     Changes in v6:
>         - Remove the justification from the commit message
>         - Add George's reviewed-by
> 
>     Changes in v4:
>         - Patch added
> ---
>  xen/arch/arm/mm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
> index baa3b0de1d..1126e246c0 100644
> --- a/xen/arch/arm/mm.c
> +++ b/xen/arch/arm/mm.c
> @@ -1431,7 +1431,7 @@ int create_grant_host_mapping(unsigned long addr, 
> unsigned long frame,
>      if ( flags & GNTMAP_readonly )
>          t = p2m_grant_map_ro;
>  
> -    rc = guest_physmap_add_entry(current->domain, _gfn(addr >> PAGE_SHIFT),
> +    rc = guest_physmap_add_entry(current->domain, gaddr_to_gfn(addr),
>                                   _mfn(frame), 0, t);
>  
>      if ( rc )
> @@ -1443,7 +1443,7 @@ int create_grant_host_mapping(unsigned long addr, 
> unsigned long frame,
>  int replace_grant_host_mapping(unsigned long addr, unsigned long mfn,
>          unsigned long new_addr, unsigned int flags)
>  {
> -    gfn_t gfn = _gfn(addr >> PAGE_SHIFT);
> +    gfn_t gfn = gaddr_to_gfn(addr);
>      struct domain *d = current->domain;
>      int rc;
>  
> -- 
> 2.11.0
> 

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