From: Lan Tianyu <tianyu.lan@intel.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>
Cc: kevin.tian@intel.com, sstabellini@kernel.org,
wei.liu2@citrix.com, andrew.cooper3@citrix.com,
ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
julien.grall@arm.com, jbeulich@suse.com,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
chao.gao@intel.com
Subject: Re: [RFC PATCH 00/23] xen/vIOMMU: Add vIOMMU support with irq remapping fucntion on Intel platform
Date: Tue, 21 Mar 2017 10:28:31 +0800 [thread overview]
Message-ID: <469de9ff-4b02-c4ed-e15b-4b87a2e34159@intel.com> (raw)
In-Reply-To: <20170320142302.u4qnpuqzb2bn62np@dhcp-3-128.uk.xensource.com>
On 2017年03月20日 22:23, Roger Pau Monné wrote:
> Thanks! So you add all this vIOMMU code, but the maximum number of allowed
> vCPUs for HVM guests is still limited to 128 (HVM_MAX_VCPUS is not touched). Is
> there any missing pieces in order to bump this?
To increase vcpu number, we need to change APIC ID rule and now it's
APICID = VCPUID * 2. Andrew's CPUID improvement will change it and so
our following patches of increasing vcpu number will base on Andrew's job.
>
> Also, have you tested if this series works with PVH guests? Boris added PVH
> support to Linux not long ago, so you should be able to test it just by picking
> the latest Linux kernel.
Our patchset just targets hvm guest and it will not work for PV guest.
--
Best regards
Tianyu Lan
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next prev parent reply other threads:[~2017-03-21 2:28 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 11:27 [RFC PATCH 00/23] xen/vIOMMU: Add vIOMMU support with irq remapping fucntion on Intel platform Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 1/23] VIOMMU: Add vIOMMU helper functions to create, destroy and query capabilities Lan Tianyu
2017-03-21 19:56 ` Julien Grall
2017-03-22 8:36 ` Tian, Kevin
2017-03-22 12:41 ` Lan, Tianyu
2017-03-22 8:45 ` Lan Tianyu
2017-03-22 11:40 ` Julien Grall
2017-03-22 13:32 ` Lan, Tianyu
2017-03-17 11:27 ` [RFC PATCH 2/23] DMOP: Introduce new DMOP commands for vIOMMU support Lan Tianyu
2017-04-17 14:36 ` Konrad Rzeszutek Wilk
2017-04-18 7:24 ` Lan Tianyu
2017-04-18 13:32 ` Konrad Rzeszutek Wilk
2017-03-17 11:27 ` [RFC PATCH 3/23] VIOMMU: Add irq request callback to deal with irq remapping Lan Tianyu
2017-04-17 14:39 ` Konrad Rzeszutek Wilk
2017-04-18 8:18 ` Lan Tianyu
2017-04-18 13:36 ` Konrad Rzeszutek Wilk
2017-03-17 11:27 ` [RFC PATCH 4/23] VIOMMU: Add get irq info callback to convert irq remapping request Lan Tianyu
2017-04-17 14:39 ` Konrad Rzeszutek Wilk
2017-03-17 11:27 ` [RFC PATCH 5/23] Tools/libxc: Add viommu operations in libxc Lan Tianyu
2017-03-28 16:24 ` Wei Liu
2017-03-29 0:40 ` Chao Gao
2017-03-29 9:08 ` Paul Durrant
2017-03-30 19:57 ` Chao Gao
2017-04-14 15:38 ` Lan, Tianyu
2017-04-17 11:08 ` Wei Liu
2017-04-17 12:01 ` Lan Tianyu
2017-05-11 12:35 ` Wei Liu
2017-05-11 12:31 ` Lan Tianyu
2017-04-18 9:08 ` Paul Durrant
2017-04-18 9:59 ` Lan Tianyu
2017-04-18 14:15 ` Paul Durrant
2017-04-19 12:21 ` Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 6/23] Tools/libacpi: Add DMA remapping reporting (DMAR) ACPI table structures Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 7/23] Tools/libacpi: Add new fields in acpi_config to build DMAR table Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 8/23] Tools/libacpi: Add a user configurable parameter to control vIOMMU attributes Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 9/23] Tools/libxl: Inform device model to create a guest with a vIOMMU device Lan Tianyu
2017-03-28 16:24 ` Wei Liu
2017-03-17 11:27 ` [RFC PATCH 10/23] x86/hvm: Introduce a emulated VTD for HVM Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 11/23] X86/vvtd: Add MMIO handler for VVTD Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 12/23] X86/vvtd: Set Interrupt Remapping Table Pointer through GCMD Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 13/23] X86/vvtd: Process interrupt remapping request Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 14/23] X86/vvtd: decode interrupt attribute from IRTE Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 15/23] X86/vioapic: Hook interrupt delivery of vIOAPIC Lan Tianyu
2017-04-17 14:43 ` Konrad Rzeszutek Wilk
2017-04-18 8:34 ` Lan Tianyu
2017-04-18 13:37 ` Konrad Rzeszutek Wilk
2017-03-17 11:27 ` [RFC PATCH 16/23] X86/vvtd: Enable Queued Invalidation through GCMD Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 17/23] X86/vvtd: Enable Interrupt Remapping " Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 18/23] x86/vpt: Get interrupt vector through a vioapic interface Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 19/23] passthrough: move some fields of hvm_gmsi_info to a sub-structure Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 20/23] Tools/libxc: Add a new interface to bind msi-ir with pirq Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 21/23] X86/vmsi: Hook guest MSI injection Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 22/23] X86/vvtd: Handle interrupt translation faults Lan Tianyu
2017-03-17 11:27 ` [RFC PATCH 23/23] X86/vvtd: Add queued invalidation (QI) support Lan Tianyu
2017-03-20 14:23 ` [RFC PATCH 00/23] xen/vIOMMU: Add vIOMMU support with irq remapping fucntion on Intel platform Roger Pau Monné
2017-03-21 2:28 ` Lan Tianyu [this message]
2017-03-21 5:29 ` Lan Tianyu
2017-03-29 8:00 ` Roger Pau Monné
2017-03-29 3:52 ` Chao Gao
2017-04-17 14:41 ` Konrad Rzeszutek Wilk
2017-04-18 8:19 ` Lan Tianyu
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