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Re: [Xen-devel] [PATCH] xen/gnttab: Use phys_addr_t to describe the grant frame base address

To: Julien Grall <julien.grall@xxxxxxxxxx>
From: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Tue, 28 Jan 2014 10:45:41 +0000
Cc: ian.campbell@xxxxxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, patches@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx
Delivery-date: Tue, 28 Jan 2014 10:45:58 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 28/01/14 01:03, Julien Grall wrote:
> On ARM, address size can be 32 bits or 64 bits (if 
> CONFIG_ARCH_PHYS_ADDR_T_64BIT
> is enabled).
> We can't assume that the grant frame base address will always fits in an
> unsigned long. Use phys_addr_t instead of unsigned long as argument for
> gnttab_setup_auto_xlat_frames.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>

David

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References:
- [Xen-devel] [PATCH] xen/gnttab: Use phys_addr_t to describe the grant frame base address
  - From: Julien Grall

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