linux-kernel - Re: [Xen-devel] [PATCH v3 11/20] tty/hvc: xen: Use xen page definition

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Message-ID: <55E07832.1010802@citrix.com>
Date:	Fri, 28 Aug 2015 16:03:14 +0100
From:	Julien Grall <julien.grall@...rix.com>
To:	David Vrabel <david.vrabel@...rix.com>,
	<xen-devel@...ts.xenproject.org>
CC:	Jiri Slaby <jslaby@...e.cz>, <ian.campbell@...rix.com>,
	<stefano.stabellini@...citrix.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-kernel@...r.kernel.org>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<linuxppc-dev@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Xen-devel] [PATCH v3 11/20] tty/hvc: xen: Use xen page definition

Hi David,

On 20/08/15 10:55, David Vrabel wrote:
> On 07/08/15 17:46, Julien Grall wrote:
>> The console ring is always based on the page granularity of Xen.
> [...]
>> --- a/drivers/tty/hvc/hvc_xen.c
>> +++ b/drivers/tty/hvc/hvc_xen.c
>> @@ -230,7 +230,7 @@ static int xen_hvm_console_init(void)
>>  	if (r < 0 || v == 0)
>>  		goto err;
>>  	gfn = v;
>> -	info->intf = xen_remap(gfn << PAGE_SHIFT, PAGE_SIZE);
>> +	info->intf = xen_remap(gfn << XEN_PAGE_SHIFT, PAGE_SIZE);
> 
> You need XEN_PAGE_SIZE here I think...

Right, I did the mistake while rebase on my s/mfn/gfn/ series. I will
fix it in the next version.

Regards,

-- 
Julien Grall
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