From: "Yu, Zhang" <yu.c.zhang@linux.intel.com>
To: Wei Liu <wei.liu2@citrix.com>,
ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com,
andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org, Paul.Durrant@citrix.com,
jbeulich@suse.com, keir@xen.org
Cc: kevin.tian@intel.com, zhiyuan.lv@intel.com
Subject: Re: [PATCH v8 2/3] Differentiate IO/mem resources tracked by ioreq server
Date: Fri, 28 Aug 2015 11:11:36 +0800 [thread overview]
Message-ID: <55DFD168.408@linux.intel.com> (raw)
In-Reply-To: <20150825094002.GL29776@zion.uk.xensource.com>
On 8/25/2015 5:40 PM, Wei Liu wrote:
> On Sun, Aug 23, 2015 at 05:33:17PM +0800, Yu Zhang wrote:
>> Currently in ioreq server, guest write-protected ram pages are
>> tracked in the same rangeset with device mmio resources. Yet
>> unlike device mmio, which can be in big chunks, the guest write-
>> protected pages may be discrete ranges with 4K bytes each. This
>> patch uses a seperate rangeset for the guest ram pages.
>>
>> Note: Previously, a new hypercall or subop was suggested to map
>> write-protected pages into ioreq server. However, it turned out
>> handler of this new hypercall would be almost the same with the
>> existing pair - HVMOP_[un]map_io_range_to_ioreq_server, and there's
>> already a type parameter in this hypercall. So no new hypercall
>> defined, only a new type is introduced.
>>
>> Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
>> ---
>> tools/libxc/include/xenctrl.h | 31 ++++++++++++++++++++
>> tools/libxc/xc_domain.c | 61 ++++++++++++++++++++++++++++++++++++++++
>
> For tools bits:
>
> Acked-by: Wei Liu <wei.liu2@citrix.com>
Thank you, Wei.
To other maintainers, do you have any question or suggestion?
Any advices would be appreciated! Thanks! :)
Yu
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
>
next prev parent reply other threads:[~2015-08-28 3:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-23 9:33 [PATCH v8 0/3] Refactor ioreq server for better performance Yu Zhang
2015-08-23 9:33 ` [PATCH v8 1/3] Remove identical relationship between ioreq type and rangeset type Yu Zhang
2015-08-31 12:06 ` Jan Beulich
2015-08-23 9:33 ` [PATCH v8 2/3] Differentiate IO/mem resources tracked by ioreq server Yu Zhang
2015-08-25 9:40 ` Wei Liu
2015-08-28 3:11 ` Yu, Zhang [this message]
2015-08-28 8:38 ` Jan Beulich
2015-08-28 9:55 ` Yu, Zhang
2015-09-01 15:38 ` Ian Campbell
2015-08-31 12:18 ` Jan Beulich
2015-08-23 9:33 ` [PATCH v8 3/3] Refactor rangeset structure for better performance Yu Zhang
2015-08-31 12:29 ` Jan Beulich
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