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[Xen-devel] [PATCH][IOEMU] Fix to Allow blktap to be able to be booted a

To: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] [PATCH][IOEMU] Fix to Allow blktap to be able to be booted as system volume for PV-on-HVM.
From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx>
Date: Tue, 16 Oct 2007 16:43:13 +0900
Delivery-date: Tue, 16 Oct 2007 00:44:20 -0700
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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@xxxxxxxxxxxxxx>

Best Regards,

--
Takanori Kasai

----- Original Message ----- From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx> To: "You, Yongkang" <yongkang.you@xxxxxxxxx>; "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxx>
To: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx>; "xen-devel"
<xen-devel@xxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] 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@xxxxxxxxxxxxxx>

Best Regards,

--
Takanori Kasai

Attachment: fix-allow-blktap-system-volume.patch
Description: Binary data

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