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Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen |
Date: |
Wed, 29 Mar 2017 10:06:11 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 29/03/2017 01:54, Stefano Stabellini wrote:
>>> I understand your point of view, and honestly it wouldn't be a problem
>>> doing it the way you suggested either. However, I think that going
>>> forward it will be less of a maintenance pain to keep ring.h in sync,
>>> compared to maintaining a versioned build dependency between Xen and
>>> QEMU for the compilation of one PV backend. We do have version checks
>>> in QEMU for Xen compatibility, but not for PV backends or the xenpv
>>> machine yet.
>> For the pvUSB backend I just used a mandatory macro from the header for
>> the #ifdef. The backend will signal support when it was defined during
>> build and will refuse initialization otherwise. Xen tools are able to
>> recoginze qemu support of the backend by looking into Xenstore.
>
> What do you think of the following:
Let's just copy the header...
Paolo
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, (continued)
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Paolo Bonzini, 2017/03/23
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Greg Kurz, 2017/03/23
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Stefano Stabellini, 2017/03/23
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Juergen Gross, 2017/03/24
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Stefano Stabellini, 2017/03/24
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Juergen Gross, 2017/03/27
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Stefano Stabellini, 2017/03/27
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Juergen Gross, 2017/03/28
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Stefano Stabellini, 2017/03/28
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Juergen Gross, 2017/03/29
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Stefano Stabellini, 2017/03/29
- Re: [Qemu-devel] [PATCH v4 1/8] xen: import ring.h from xen, Greg Kurz, 2017/03/23
Re: [Qemu-devel] [PATCH v4 0/8] xen/9pfs: introduce the Xen 9pfs backend, Greg Kurz, 2017/03/21