Xen devel - Oct 2007 - [PATCH][IOEMU] Fix to Allow blktap to be able to be booted as system volume for PV-on-HVM.

Hi All,

I sent the patch to allow blktap to be able to booted as system bolume for 
PV-on-HVM.
However, there was a problem that hdN and xvdN were not able to be specified at
the same time.

I made the patch to correct it as follows.
- Whether hdN is defined first is checked.
- If hdN is defined, xvdN is not replaced with hdN.

Signed-off-by: Takanori Kasai <kasai.takanori@jp.fujitsu.com>

Best Regards,

--
Takanori Kasai

----- Original Message ----- 
From: "Kasai Takanori" <kasai.takanori@jp.fujitsu.com>
To: "You, Yongkang" <yongkang.you@intel.com>;
"xen-devel"
<xen-devel@lists.xensource.com>
Sent: Tuesday, October 16, 2007 1:38 PM
Subject: Re: [Xen-devel] [PATCH] [IOEMU] Allow blktap to be able to be booted as
system volume for PV-on-HVM(TAKE 3)

> Hi Yongkang,
>
> Thank you for reply.
>
> There is a problem when hdN and xvdN are specified at the same time.
> Because the patch has already been applied, the hot fix is sent by the 
> addition.
>
> It corrects as follows.
> - Whether hdN is defined first is checked.
> - If hdN is defined, xvdN is not replaced with hdN.
>
> I will make the hot fix of the addition and contribute to the community.
>
> Best Regards,
>
> --
> Takanori Kasai
>
>
> ----- Original Message ----- 
> From: "You, Yongkang" <yongkang.you@intel.com>
> To: "Kasai Takanori" <kasai.takanori@jp.fujitsu.com>;
"xen-devel"
> <xen-devel@lists.xensource.com>
> Sent: Tuesday, October 16, 2007 12:05 PM
> Subject: RE: [Xen-devel] [PATCH] [IOEMU] Allow blktap to be able to be
booted
> assystemvolume for PV-on-HVM(TAKE 3)
>
>
>> Hi Kasai,
>>
>> It seems there is a bug caused by this patch.
>> If providing both hda and xvda, there would be two hda devices given to
Qemu.
>> And the image of xvda would be recover the real hda. If xvda
doesn''t include
>> booting system, HVM booting failed. So how about have a little modify?
If
>> there is a hdx device, don''t translate xvdx to related hdx.
>>
>> Best Regards,
>> Yongkang You
>>
>>
>>>-----Original Message-----
>>>From: xen-devel-bounces@lists.xensource.com
>>>[mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of
>>>Kasai Takanori
>>>Sent: Monday, October 15, 2007 6:43 PM
>>>To: xen-devel
>>>Subject: [Xen-devel] [PATCH] [IOEMU] Allow blktap to be able
>>>to be booted assystemvolume for PV-on-HVM(TAKE 3)
>>>
>>>Hi All,
>>>
>>>I sent the patch to make blktap work with PV-on-HVM.
>>>I corrected the part that had been pointed out in the Xen community.
>>>
>>>・All xvdN disk is looked like hdN.
>>>・All tap disks are checked.(tap:aio, tap:sync, tap:vmdk, etc.)
>>>
>>>We cannot use blktap for the volume of the system with PV-on-HVM
>>>and are embarrassed.
>>>Could you apply this patch? Or, please give the comment to me.
>>>
>>>Signed-off-by: Takanori Kasai <kasai.takanori@jp.fujitsu.com>
>>>
>>>Best Regards,
>>>
>>>--
>>>Takanori Kasai

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