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Re: [Xen-devel] [PATCH v2 8/8] xen/arm: p2m_cache_flush: Use the correct terminology and typesafe gfn

To: Julien Grall <julien.grall@xxxxxxx>, <xen-devel@xxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Mon, 20 Jun 2016 15:53:16 +0100
Cc: sstabellini@xxxxxxxxxx
Delivery-date: Mon, 20 Jun 2016 14:53:23 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 20/06/16 14:37, Julien Grall wrote:
> p2m_cache_flush is expecting GFNs in parameter and not MFNs. Rename
> the variable to *gfn* and use typesafe to avoid possible misusage.
>
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

On arm32, xen_pfn_t was uint64_t, but gfn_t is unsigned long.

Is the truncation ok?

~Andrew

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References:
- [Xen-devel] [PATCH v2 0/8] xen/arm: Use the typesafes gfn and mfn
  - From: Julien Grall
- [Xen-devel] [PATCH v2 8/8] xen/arm: p2m_cache_flush: Use the correct terminology and typesafe gfn
  - From: Julien Grall

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