Re: [Xen-devel] [RFC PATCH 0/5] Extend resources to support more vcpus in single VM

[Lan Tianyu <tianyu.lan@xxxxxxxxx>]

On 2017年08月25日 22:10, Meng Xu wrote:
> Hi Tianyu,
> 
> On Thu, Aug 24, 2017 at 10:52 PM, Lan Tianyu <tianyu.lan@xxxxxxxxx> wrote:
>>
>> This patchset is to extend some resources(i.e, event channel,
>> hap and so) to support more vcpus for single VM.
>>
>>
>> Chao Gao (1):
>>   xl/libacpi: extend lapic_id() to uint32_t
>>
>> Lan Tianyu (4):
>>   xen/hap: Increase hap size for more vcpus support
>>   XL: Increase event channels to support more vcpus
>>   Tool/ACPI: DSDT extension to support more vcpus
>>   hvmload: Add x2apic entry support in the MADT build
>>
>>  tools/firmware/hvmloader/util.c |  2 +-
>>  tools/libacpi/acpi2_0.h         | 10 +++++++
>>  tools/libacpi/build.c           | 61 
>> +++++++++++++++++++++++++++++------------
>>  tools/libacpi/libacpi.h         |  2 +-
>>  tools/libacpi/mk_dsdt.c         | 11 ++++----
>>  tools/libxl/libxl_create.c      |  2 +-
>>  tools/libxl/libxl_x86_acpi.c    |  2 +-
>>  xen/arch/x86/mm/hap/hap.c       |  2 +-
>>  8 files changed, 63 insertions(+), 29 deletions(-)
> 
> 
> How many VCPUs for a single VM do you want to support with this patch set?

Hi Meng:
        Sorry for later response. We hope to increase max vcpu number to 512.
This also have dependency on other jobs(i.e, cpu topology, mult page
support for ioreq server and virtual IOMMU).

-- 
Best regards
Tianyu Lan

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