From: Wen Congyang <wency@cn.fujitsu.com>
To: Tim Deegan <tim@xen.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>, Ye Wei <wei.ye1987@gmail.com>,
xen-devl <xen-devel@lists.xen.org>,
Hong Tao <bobby.hong@huawei.com>, Xu Yao <xuyao.xu@huawei.com>,
Shriram Rajagopalan <rshriram@cs.ubc.ca>
Subject: Re: [RFC Patch v2 01/16] xen: introduce new hypercall to reset vcpu
Date: Tue, 06 Aug 2013 14:47:01 +0800 [thread overview]
Message-ID: <52009BE5.4060807@cn.fujitsu.com> (raw)
In-Reply-To: <20130801114804.GG78039@ocelot.phlegethon.org>
At 08/01/2013 07:48 PM, Tim Deegan Wrote:
> Hi,
>
> At 16:35 +0800 on 11 Jul (1373560533), Wen Congyang wrote:
>> In colo mode, SVM is running, and it will create pagetable, use gdt...
>> When we do a new checkpoint, we may need to rollback all this operations.
>> This new hypercall will do this.
>
> Can you do what you need with XEN_DOMCTL_setvcpucontext(domid, vcpuid, NULL)?
> If not, maybe some small extensions to that call would be enough?
I will try it.
>
> I think if we do need an entirely new hypercall, it should be part of
> the DOMCTL call along with the other vcpu operations, rather than having
> a new top-level hypercall of its own.
If setvcpucontext() can't work, I will add a new subop to DOMCTL instead of
a new hypercall.
Thanks
Wen Congyang
>
> Cheers,
>
> Tim.
>
next prev parent reply other threads:[~2013-08-06 6:47 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-11 8:35 [RFC Patch v2 00/16] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 01/16] xen: introduce new hypercall to reset vcpu Wen Congyang
2013-07-11 9:44 ` Andrew Cooper
2013-07-11 9:58 ` Wen Congyang
2013-07-11 10:01 ` Ian Campbell
2013-08-01 11:48 ` Tim Deegan
2013-08-06 6:47 ` Wen Congyang [this message]
2013-07-11 8:35 ` [RFC Patch v2 02/16] block-remus: introduce colo mode Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 03/16] block-remus: introduce a interface to allow the user specify which mode the backup end uses Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 04/16] dominfo.completeRestore() will be called more than once in colo mode Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 05/16] xc_domain_restore: introduce restore_callbacks for colo Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 06/16] colo: implement restore_callbacks init()/free() Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 07/16] colo: implement restore_callbacks get_page() Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 08/16] colo: implement restore_callbacks flush_memory Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 09/16] colo: implement restore_callbacks update_p2m() Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 10/16] colo: implement restore_callbacks finish_restore() Wen Congyang
2013-07-11 9:40 ` Ian Campbell
2013-07-11 9:54 ` Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 11/16] xc_restore: implement for colo Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 12/16] XendCheckpoint: implement colo Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 13/16] xc_domain_save: flush cache before calling callbacks->postcopy() Wen Congyang
2013-07-11 13:43 ` Andrew Cooper
2013-07-12 1:36 ` Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 14/16] add callback to configure network for colo Wen Congyang
2013-07-11 8:35 ` [RFC Patch v2 15/16] xc_domain_save: implement save_callbacks " Wen Congyang
2013-07-11 13:52 ` Andrew Cooper
2013-07-11 8:35 ` [RFC Patch v2 16/16] remus: implement colo mode Wen Congyang
2013-07-11 9:37 ` [RFC Patch v2 00/16] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Andrew Cooper
2013-07-11 9:40 ` Ian Campbell
2013-07-14 14:33 ` Shriram Rajagopalan
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