linux-kernel - Re: [PATCH v12 15/18] xen/pvh: Piggyback on PVHVM for grant driver (v2)

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Message-ID: <52C6A4E5.3080904@citrix.com>
Date:	Fri, 3 Jan 2014 11:54:13 +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 15/18] xen/pvh: Piggyback on PVHVM for grant driver
 (v2)

On 02/01/14 18:50, Konrad Rzeszutek Wilk wrote:
> On Thu, Jan 02, 2014 at 04:32:03PM +0000, David Vrabel wrote:
>> On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote:
>>> @@ -1320,4 +1323,4 @@ static int __gnttab_init(void)
>>>  	return gnttab_init();
>>>  }
>>>  
>>> -core_initcall(__gnttab_init);
>>> +core_initcall_sync(__gnttab_init);
>>
>> Why has this become _sync?
> 
> It needs to run _after_ the xen_pvh_gnttab_setup has run (which is
> at gnttab_init):


The use of core_initcall_sync() doesn't imply any ordering to me.  Can't
you call xen_pvh_gnttab_setup() from within __gnttab_init() ?

David
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