linux-kernel - Re: [PATCH v12 12/18] xen/grants: Remove gnttab_max_grant_frames dependency on gnttab

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Message-ID: <52C54FAA.4030206@citrix.com>
Date:	Thu, 2 Jan 2014 11:38:18 +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 12/18] xen/grants: Remove gnttab_max_grant_frames
 dependency on gnttab_init.

On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote:
> The function gnttab_max_grant_frames() returns the maximum amount
> of frames (pages) of grants we can have. Unfortunatly it was
> dependent on gnttab_init() having been run before to initialize
> the boot max value (boot_max_nr_grant_frames).
> 
> This meant that users of gnttab_max_grant_frames would always
> get a zero value if they called before gnttab_init() - such as
> 'platform_pci_init' (drivers/xen/platform-pci.c).
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

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

You can pull this out of the PVH series and merge early if you prefer.

David
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