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Re: [Xen-devel] [PATCH v5 2/2] xen: modify kernel mappings corresponding

To: stefano.stabellini@xxxxxxxxxxxxx
Subject: Re: [Xen-devel] [PATCH v5 2/2] xen: modify kernel mappings corresponding to granted pages
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Thu, 29 Sep 2011 09:55:59 -0400
Cc: jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
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>  /* Xen machine address */
> @@ -31,8 +32,10 @@ typedef struct xpaddr {
>  #define INVALID_P2M_ENTRY    (~0UL)
>  #define FOREIGN_FRAME_BIT    (1UL<<(BITS_PER_LONG-1))
>  #define IDENTITY_FRAME_BIT   (1UL<<(BITS_PER_LONG-2))
> +#define GRANT_FRAME_BIT      (1UL<<(BITS_PER_LONG-3))

I am going to change that to (BITS_PER_LONG-1) as we aren't
using the P2M. (and add that comment in the file).

And both patches are now in 3.2 queue.


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