linux-kernel - Re: [PATCH v12 13/18] xen/grant-table: Refactor gnttab

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Message-ID: <52C5500E.5010303@citrix.com>
Date:	Thu, 2 Jan 2014 11:39:58 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	<linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
	<boris.ostrovsky@...cle.com>, <stefano.stabellini@...citrix.com>,
	<mukesh.rathor@...cle.com>
Subject: Re: [PATCH v12 13/18] xen/grant-table: Refactor gnttab_init

On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote:
> We have this odd scenario of where for PV paths we take a shortcut
> but for the HVM paths we first ioremap xen_hvm_resume_frames, then
> assign it to gnttab_shared.addr. This is needed because gnttab_map
> uses gnttab_shared.addr.
> 
> Instead of having:
> 	if (pv)
> 		return gnttab_map
> 	if (hvm)
> 		...
> 
> 	gnttab_map
> 
> Lets move the HVM part before the gnttab_map and remove the
> first call to gnttab_map.
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

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

Again, feel free to apply early.

David
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