From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Haozhong Zhang <haozhong.zhang@intel.com>,
wei.liu2@citrix.com,
Xiao Guangrong <xiaoguangrong.eric@gmail.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
qemu-devel@nongnu.org, andrew.cooper3@citrix.com,
ian.jackson@eu.citrix.com, george.dunlap@citrix.com,
xen-devel@lists.xen.org, Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Jan Beulich <JBeulich@suse.com>,
xen-devel@lists.xenproject.org,
Anthony Perard <anthony.perard@citrix.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Richard Henderson <rth@twiddle.net>,
Eduardo Habkost <ehabkost@redhat.com>
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
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next prev parent reply other threads:[~2017-10-15 0:31 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-11 4:37 [RFC XEN PATCH v3 00/39] Add vNVDIMM support to HVM domains Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 01/39] x86_64/mm: fix the PDX group check in mem_hotadd_check() Haozhong Zhang
2017-10-27 6:49 ` Chao Peng
2017-10-27 7:02 ` Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 02/39] x86_64/mm: drop redundant MFN to page conventions in cleanup_frame_table() Haozhong Zhang
2017-10-27 6:58 ` Chao Peng
2017-10-27 9:24 ` Andrew Cooper
2017-10-30 2:21 ` Chao Peng
2017-09-11 4:37 ` [RFC XEN PATCH v3 03/39] x86_64/mm: avoid cleaning the unmapped frame table Haozhong Zhang
2017-10-27 8:10 ` Chao Peng
2017-09-11 4:37 ` [RFC XEN PATCH v3 04/39] xen/common: add Kconfig item for pmem support Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 05/39] x86/mm: exclude PMEM regions from initial frametable Haozhong Zhang
2017-11-03 5:58 ` Chao Peng
2017-11-03 6:39 ` Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 06/39] acpi: probe valid PMEM regions via NFIT Haozhong Zhang
2017-11-03 6:15 ` Chao Peng
2017-11-03 7:14 ` Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 07/39] xen/pmem: register valid PMEM regions to Xen hypervisor Haozhong Zhang
2017-11-03 6:26 ` Chao Peng
2017-09-11 4:37 ` [RFC XEN PATCH v3 08/39] xen/pmem: hide NFIT and deny access to PMEM from Dom0 Haozhong Zhang
2017-11-03 6:51 ` Chao Peng
2017-11-03 7:24 ` Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 09/39] xen/pmem: add framework for hypercall XEN_SYSCTL_nvdimm_op Haozhong Zhang
2017-11-03 7:40 ` Chao Peng
2017-11-03 8:54 ` Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 10/39] xen/pmem: add XEN_SYSCTL_nvdimm_pmem_get_rgions_nr Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 11/39] xen/pmem: add XEN_SYSCTL_nvdimm_pmem_get_regions Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 12/39] tools/xen-ndctl: add NVDIMM management util 'xen-ndctl' Haozhong Zhang
2017-09-11 5:10 ` Dan Williams
2017-09-11 5:39 ` Haozhong Zhang
2017-09-11 16:35 ` Dan Williams
2017-09-11 21:24 ` Konrad Rzeszutek Wilk
2017-09-13 17:45 ` Dan Williams
2017-09-11 4:37 ` [RFC XEN PATCH v3 13/39] tools/xen-ndctl: add command 'list' Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 14/39] x86_64/mm: refactor memory_add() Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 15/39] x86_64/mm: allow customized location of extended frametable and M2P table Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 16/39] xen/pmem: add XEN_SYSCTL_nvdimm_pmem_setup to setup management PMEM region Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 17/39] tools/xen-ndctl: add command 'setup-mgmt' Haozhong Zhang
2017-09-11 4:37 ` [RFC XEN PATCH v3 18/39] xen/pmem: support PMEM_REGION_TYPE_MGMT for XEN_SYSCTL_nvdimm_pmem_get_regions_nr Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 19/39] xen/pmem: support PMEM_REGION_TYPE_MGMT for XEN_SYSCTL_nvdimm_pmem_get_regions Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 20/39] tools/xen-ndctl: add option '--mgmt' to command 'list' Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 21/39] xen/pmem: support setup PMEM region for guest data usage Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 22/39] tools/xen-ndctl: add command 'setup-data' Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 23/39] xen/pmem: support PMEM_REGION_TYPE_DATA for XEN_SYSCTL_nvdimm_pmem_get_regions_nr Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 24/39] xen/pmem: support PMEM_REGION_TYPE_DATA for XEN_SYSCTL_nvdimm_pmem_get_regions Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 25/39] tools/xen-ndctl: add option '--data' to command 'list' Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 26/39] xen/pmem: add function to map PMEM pages to HVM domain Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 27/39] xen/pmem: release PMEM pages on HVM domain destruction Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 28/39] xen: add hypercall XENMEM_populate_pmem_map Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 29/39] tools: reserve guest memory for ACPI from device model Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 30/39] tools/libacpi: expose the minimum alignment used by mem_ops.alloc Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 31/39] tools/libacpi: add callback to translate GPA to GVA Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 32/39] tools/libacpi: add callbacks to access XenStore Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 33/39] tools/libacpi: add a simple AML builder Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 34/39] tools/libacpi: add DM ACPI blacklists Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 35/39] tools/libacpi: load ACPI built by the device model Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 36/39] tools/xl: add xl domain configuration for virtual NVDIMM devices Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 37/39] tools/libxl: allow aborting domain creation on fatal QMP init errors Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 38/39] tools/libxl: initiate PMEM mapping via QMP callback Haozhong Zhang
2017-09-11 4:38 ` [RFC XEN PATCH v3 39/39] tools/libxl: build qemu options from xl vNVDIMM configs Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 00/10] Implement vNVDIMM for Xen HVM guest Haozhong Zhang
2017-09-11 4:41 ` [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 ` [RFC QEMU PATCH v3 02/10] hw/xen-hvm: create the hotplug memory region on Xen Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 03/10] hostmem-xen: add a host memory backend for Xen Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 04/10] nvdimm acpi: do not use fw_cfg on Xen Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 05/10] hw/xen-hvm: initialize DM ACPI Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 06/10] hw/xen-hvm: add function to copy ACPI into guest memory Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 07/10] nvdimm acpi: copy NFIT to Xen guest Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 08/10] nvdimm acpi: copy ACPI namespace device of vNVDIMM " Haozhong Zhang
2017-09-11 4:41 ` [RFC QEMU PATCH v3 09/10] nvdimm acpi: do not build _FIT method on Xen Haozhong Zhang
2017-09-11 4:41 ` [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 ` [Qemu-devel] " 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 ` Konrad Rzeszutek Wilk
2017-10-17 11:45 ` Paolo Bonzini
2017-10-17 12:16 ` Haozhong Zhang
2017-10-18 8:32 ` Roger Pau Monné
2017-10-18 8:46 ` Paolo Bonzini
2017-10-18 8:55 ` Roger Pau Monné
2017-10-15 0:35 ` Michael S. Tsirkin
2017-10-12 17:39 ` Konrad Rzeszutek Wilk
2017-10-13 8:00 ` Haozhong Zhang
2017-10-27 3:26 ` [RFC XEN PATCH v3 00/39] Add vNVDIMM support to HVM domains Chao Peng
2017-10-27 4:25 ` Haozhong Zhang
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