From: "Yu, Zhang" <yu.c.zhang@linux.intel.com>
To: Jan Beulich <JBeulich@suse.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: kevin.tian@intel.com, wei.liu2@citrix.com,
ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com,
andrew.cooper3@citrix.com, xen-devel@lists.xen.org,
Paul.Durrant@citrix.com, zhiyuan.lv@intel.com, keir@xen.org
Subject: Re: [PATCH v3 3/3] tools: introduce parameter max_wp_ram_ranges.
Date: Tue, 2 Feb 2016 23:19:46 +0800 [thread overview]
Message-ID: <56B0C912.3040903@linux.intel.com> (raw)
In-Reply-To: <56B0D7A202000078000CD989@prv-mh.provo.novell.com>
On 2/2/2016 11:21 PM, Jan Beulich wrote:
>>>> On 02.02.16 at 16:00, <yu.c.zhang@linux.intel.com> wrote:
>> The limit of 4G is to avoid the data missing from uint64 to uint32
>> assignment. And I can accept the 8K limit for XenGT in practice.
>> After all, it is vGPU page tables we are trying to trap and emulate,
>> not normal page frames.
>>
>> And I guess the reason that one domain exhausting Xen's memory can
>> affect another domain is because rangeset uses Xen heap, instead of the
>> per-domain memory. So what about we use a 8K limit by now for XenGT,
>> and in the future, if a per-domain memory allocation solution for
>> rangeset is ready, we do need to limit the rangeset size. Does this
>> sounds more acceptable?
>
> The lower the limit the better (but no matter how low the limit
> it won't make this a pretty thing). Anyway I'd still like to wait
> for what Ian may further say on this.
>
OK then. :)
Ian, do you have any suggestions?
Thanks
Yu
next prev parent reply other threads:[~2016-02-02 15:19 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-29 10:45 [PATCH v12 0/3] Refactor ioreq server for better performance Yu Zhang
2016-01-29 10:45 ` [PATCH v12 1/3] Refactor rangeset structure " Yu Zhang
2016-01-29 10:45 ` [PATCH v12 2/3] Differentiate IO/mem resources tracked by ioreq server Yu Zhang
2016-01-29 10:45 ` [PATCH v3 3/3] tools: introduce parameter max_wp_ram_ranges Yu Zhang
2016-01-29 16:33 ` Jan Beulich
2016-01-30 14:38 ` Yu, Zhang
2016-02-01 7:52 ` Jan Beulich
2016-02-01 12:02 ` Wei Liu
2016-02-01 12:15 ` Jan Beulich
2016-02-01 12:49 ` Wei Liu
2016-02-01 13:07 ` Jan Beulich
2016-02-01 15:14 ` Yu, Zhang
2016-02-01 16:16 ` Jan Beulich
2016-02-01 16:33 ` Yu, Zhang
2016-02-01 16:19 ` Yu, Zhang
2016-02-01 16:35 ` Jan Beulich
2016-02-01 16:37 ` Yu, Zhang
2016-02-01 17:05 ` Ian Jackson
2016-02-02 8:04 ` Yu, Zhang
2016-02-02 11:51 ` Wei Liu
2016-02-02 13:56 ` Yu, Zhang
2016-02-02 10:32 ` Jan Beulich
2016-02-02 10:56 ` Yu, Zhang
2016-02-02 11:12 ` Jan Beulich
2016-02-02 14:01 ` Yu, Zhang
2016-02-02 14:42 ` Jan Beulich
2016-02-02 15:00 ` Yu, Zhang
2016-02-02 15:21 ` Jan Beulich
2016-02-02 15:19 ` Yu, Zhang [this message]
2016-02-03 7:10 ` Yu, Zhang
2016-02-03 8:32 ` Jan Beulich
2016-02-03 12:20 ` Paul Durrant
2016-02-03 12:35 ` Jan Beulich
2016-02-03 12:50 ` Paul Durrant
2016-02-03 13:00 ` Jan Beulich
2016-02-03 13:07 ` Paul Durrant
2016-02-03 13:17 ` Jan Beulich
2016-02-03 13:18 ` Paul Durrant
2016-02-03 14:43 ` Ian Jackson
2016-02-03 15:10 ` Paul Durrant
2016-02-03 17:50 ` George Dunlap
2016-02-04 8:50 ` Yu, Zhang
2016-02-03 17:41 ` George Dunlap
2016-02-03 18:21 ` George Dunlap
2016-02-03 18:26 ` George Dunlap
2016-02-03 18:39 ` Andrew Cooper
2016-02-03 19:12 ` George Dunlap
2016-02-04 8:51 ` Yu, Zhang
2016-02-04 10:49 ` George Dunlap
2016-02-04 11:08 ` Ian Campbell
2016-02-04 11:19 ` Ian Campbell
2016-02-04 8:50 ` Yu, Zhang
2016-02-04 9:28 ` Paul Durrant
2016-02-04 9:38 ` Yu, Zhang
2016-02-04 9:49 ` Paul Durrant
2016-02-04 10:34 ` Jan Beulich
2016-02-04 13:33 ` Ian Jackson
2016-02-04 13:47 ` Paul Durrant
2016-02-04 14:12 ` Jan Beulich
2016-02-04 14:25 ` Paul Durrant
2016-02-04 15:06 ` Ian Jackson
2016-02-04 15:51 ` Paul Durrant
2016-02-05 3:47 ` Tian, Kevin
2016-02-05 3:35 ` Tian, Kevin
2016-02-04 14:08 ` Jan Beulich
2016-02-04 17:12 ` George Dunlap
2016-02-05 4:18 ` Tian, Kevin
2016-02-05 8:41 ` Yu, Zhang
2016-02-05 8:32 ` Jan Beulich
2016-02-05 9:24 ` Paul Durrant
2016-02-05 10:41 ` Jan Beulich
2016-02-05 11:14 ` George Dunlap
2016-02-05 11:24 ` Paul Durrant
2016-02-16 7:22 ` Tian, Kevin
2016-02-16 8:50 ` Paul Durrant
2016-02-16 10:33 ` Jan Beulich
2016-02-16 11:11 ` Paul Durrant
2016-02-17 3:18 ` Tian, Kevin
2016-02-17 8:58 ` Paul Durrant
2016-02-17 9:32 ` Jan Beulich
2016-02-17 9:58 ` Tian, Kevin
2016-02-17 10:03 ` Paul Durrant
2016-02-17 10:22 ` Jan Beulich
2016-02-17 10:24 ` Paul Durrant
2016-02-17 10:25 ` Tian, Kevin
2016-02-17 11:01 ` George Dunlap
2016-02-17 11:12 ` Paul Durrant
2016-02-22 15:56 ` George Dunlap
2016-02-22 16:02 ` Paul Durrant
2016-02-22 16:45 ` George Dunlap
2016-02-22 17:01 ` Paul Durrant
2016-02-22 17:23 ` George Dunlap
2016-02-22 17:34 ` Paul Durrant
2016-02-05 8:41 ` Yu, Zhang
2016-02-04 11:06 ` George Dunlap
2016-02-05 2:01 ` Zhiyuan Lv
2016-02-05 3:44 ` Tian, Kevin
2016-02-05 8:38 ` Jan Beulich
2016-02-05 11:05 ` George Dunlap
2016-02-05 15:13 ` Zhiyuan Lv
2016-02-05 20:14 ` George Dunlap
2016-02-05 8:40 ` Yu, Zhang
2016-02-04 10:06 ` Ian Campbell
2016-02-05 3:31 ` Tian, Kevin
2016-02-02 11:31 ` Andrew Cooper
2016-02-02 11:43 ` Jan Beulich
2016-02-02 14:20 ` Andrew Cooper
2016-02-01 11:57 ` Wei Liu
2016-02-01 15:15 ` Yu, Zhang
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