From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: how can I find hypercall page address? Date: Fri, 7 Aug 2015 14:06:32 +0100 Message-ID: <55C4AD58.5060300@citrix.com> References: <55C32DB4.6020203@citrix.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5609940731476105695==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: big strong Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org --===============5609940731476105695== Content-Type: multipart/alternative; boundary="------------050206020503090909050404" --------------050206020503090909050404 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit On 07/08/15 02:52, big strong wrote: > Or how can I get the address of hypercall page belonging to a running > domU? Please do not top post. A domain may create an arbitrary quantity of hypercall pages, at any address of their choosing. You have not explained why you want this information. ~Andrew > > 2015-08-07 9:45 GMT+08:00 big strong >: > > I want to locate the hypercall page address when creating a new > domU, so as to locate hypercalls. Is it possible? > > 2015-08-06 17:49 GMT+08:00 Andrew Cooper > >: > > On 06/08/15 10:46, big strong wrote: >> The old version of Xen contains information about hypercall >> page like: >> >> xl dmesg >> ...... >> (XEN) HVM10: Allocated Xen hypercall page at 169ff000 >> ....... >> >> But the new edition seems to miss this information. > > Correct. The information is not interesting or useful. > >> How can I get the similar information then? > > What are you trying to do? > > ~Andrew > > > --------------050206020503090909050404 Content-Type: text/html; charset="utf-8" Content-Length: 4285 Content-Transfer-Encoding: quoted-printable
On 07/08/15 02:52, big strong wrote:
Or how can I get the address of hypercall page belonging to a running domU=3F

Please do not top post.

A domain may create an arbitrary quantity of hypercall pages, at any address of their choosing.

You have not explained why you want this information.

~Andrew


2015-08-07 9:45 GMT+08:00 big strong <fangtuo90@gmail.com>:
I want to locate the hypercall page address when creating a new domU, so as to locate hypercalls. Is it possible=3F

2015-08-06 17:49 GMT+08:00 Andrew Cooper <andrew.cooper3@citrix.com>:
On 06/08/15 10:46, big strong wrote:
The old version of Xen contains information about hypercall page like:

xl dmesg
......
(XEN) HVM10: Allocated Xen hypercall page at 169ff000
.......

But the new edition seems to miss this information.

 Correct.=C2=A0 The information is not interesting or useful.

How can I get the similar information then=3F

 What are you trying to do=3F

~Andrew



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