From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Jan Beulich <JBeulich@suse.com>,
Haozhong Zhang <haozhong.zhang@intel.com>,
andrew.cooper3@citrix.com,
Anthony Perard <anthony.perard@citrix.com>,
george.dunlap@citrix.com, wei.liu2@citrix.com,
ian.jackson@eu.citrix.com,
Xiao Guangrong <xiaoguangrong.eric@gmail.com>,
Dan Williams <dan.j.williams@intel.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
xen-devel@lists.xen.org, xen-devel@lists.xenproject.org,
qemu-devel@nongnu.org,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Eduardo Habkost <ehabkost@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [RFC QEMU PATCH v3 00/10] Implement vNVDIMM for Xen HVM guest
Date: Sun, 15 Oct 2017 03:31:15 +0300 [thread overview]
Message-ID: <20171015033021-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1710131544350.2967@sstabellini-ThinkPad-X260>
On Fri, Oct 13, 2017 at 03:46:39PM -0700, Stefano Stabellini wrote:
> On Fri, 13 Oct 2017, Jan Beulich wrote:
> > >>> On 13.10.17 at 13:13, <haozhong.zhang@intel.com> wrote:
> > > To Jan, Andrew, Stefano and Anthony,
> > >
> > > what do you think about allowing QEMU to build the entire guest ACPI
> > > and letting SeaBIOS to load it? ACPI builder code in hvmloader is
> > > still there and just bypassed in this case.
> >
> > Well, if that can be made work in a non-quirky way and without
> > loss of functionality, I'd probably be fine. I do think, however,
> > that there's a reason this is being handled in hvmloader right now.
>
> And not to discourage you, just as a clarification, you'll also need to
> consider backward compatibility: unless the tables are identical, I
> imagine we'll have to keep using the old tables for already installed
> virtual machines.
Maybe you can handle this using machine type versioning.
Installed guests would use the old type.
--
MST
next prev parent reply other threads:[~2017-10-15 0:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170911043820.14617-1-haozhong.zhang@intel.com>
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 00/10] Implement vNVDIMM for Xen HVM guest Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 01/10] nvdimm: do not intiailize nvdimm->label_data if label size is zero Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 02/10] hw/xen-hvm: create the hotplug memory region on Xen Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 03/10] hostmem-xen: add a host memory backend for Xen Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 04/10] nvdimm acpi: do not use fw_cfg on Xen Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 05/10] hw/xen-hvm: initialize DM ACPI Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 06/10] hw/xen-hvm: add function to copy ACPI into guest memory Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 07/10] nvdimm acpi: copy NFIT to Xen guest Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 08/10] nvdimm acpi: copy ACPI namespace device of vNVDIMM " Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 09/10] nvdimm acpi: do not build _FIT method on Xen Haozhong Zhang
2017-09-11 4:41 ` [Qemu-devel] [RFC QEMU PATCH v3 10/10] hw/xen-hvm: enable building DM ACPI if vNVDIMM is enabled Haozhong Zhang
2017-09-11 4:53 ` [Qemu-devel] [RFC QEMU PATCH v3 00/10] Implement vNVDIMM for Xen HVM guest no-reply
2017-09-11 14:08 ` Igor Mammedov
2017-09-11 18:52 ` Stefano Stabellini
2017-09-12 3:15 ` Haozhong Zhang
2017-10-10 16:05 ` Konrad Rzeszutek Wilk
2017-10-12 12:45 ` Haozhong Zhang
2017-10-12 15:45 ` Paolo Bonzini
2017-10-13 7:53 ` Haozhong Zhang
2017-10-13 8:44 ` Igor Mammedov
2017-10-13 11:13 ` Haozhong Zhang
2017-10-13 12:13 ` Jan Beulich
2017-10-13 22:46 ` Stefano Stabellini
2017-10-15 0:31 ` Michael S. Tsirkin [this message]
2017-10-16 14:49 ` [Qemu-devel] [Xen-devel] " Konrad Rzeszutek Wilk
2017-10-17 11:45 ` [Qemu-devel] " Paolo Bonzini
2017-10-17 12:16 ` Haozhong Zhang
2017-10-18 8:32 ` [Qemu-devel] [Xen-devel] " Roger Pau Monné
2017-10-18 8:46 ` Paolo Bonzini
2017-10-18 8:55 ` Roger Pau Monné
2017-10-15 0:35 ` [Qemu-devel] " Michael S. Tsirkin
2017-10-12 17:39 ` Konrad Rzeszutek Wilk
2017-10-13 8:00 ` Haozhong Zhang
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