linux-kernel - Re: [Xen-devel] [RFC 13/23] xen/xenbus: Use Xen page definition

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Message-ID: <555B41D1.7010400@citrix.com>
Date:	Tue, 19 May 2015 14:59:45 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Julien Grall <julien.grall@...rix.com>,
	<xen-devel@...ts.xenproject.org>
CC:	<ian.campbell@...rix.com>, <stefano.stabellini@...citrix.com>,
	<tim@....org>, <linux-kernel@...r.kernel.org>,
	David Vrabel <david.vrabel@...rix.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Xen-devel] [RFC 13/23] xen/xenbus: Use Xen page definition

On 14/05/15 18:00, Julien Grall wrote:
> The xenstore ring is always based on the page granularity of Xen.
[...]
> --- a/drivers/xen/xenbus/xenbus_probe.c
> +++ b/drivers/xen/xenbus/xenbus_probe.c
> @@ -713,7 +713,7 @@ static int __init xenstored_local_init(void)
>  
>  	xen_store_mfn = xen_start_info->store_mfn =
>  		pfn_to_mfn(virt_to_phys((void *)page) >>
> -			   PAGE_SHIFT);
> +			   XEN_PAGE_SHIFT);

This is page_to_mfn() that you adjusted in the previous patch.

David
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