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RE: [Xen-devel] RE: Access Memory Pages


  • To: George Dunlap <dunlapg@xxxxxxxxx>
  • From: "Nimgaonkar, Satyajeet" <SatyajeetNimgaonkar@xxxxxxxxxx>
  • Date: Fri, 12 Nov 2010 17:31:32 +0000
  • Accept-language: en-US
  • Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 12 Nov 2010 09:35:43 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AQHLgkdHqv16m/LBJEWHB0T9zaGyWJNuGlb2
  • Thread-topic: [Xen-devel] RE: Access Memory Pages

Hi George,
                Thank you for your response. I have already implemented a 
custom hypercall and I want to access the memory pages allocated for a 
particular process, with in this hypercall handler. So I was not quite sure if 
I can initiate a hypercall from my custom hypercall handler i.e. from with in 
xen.
                I would appreciate if you could help further in this.
                Thanks.

Regards,
Satyajeet
________________________________________
From: dunlapg@xxxxxxxxx [dunlapg@xxxxxxxxx] on behalf of George Dunlap 
[dunlapg@xxxxxxxxx]
Sent: Friday, November 12, 2010 2:54 AM
To: Nimgaonkar, Satyajeet
Cc: Xen Devel
Subject: Re: [Xen-devel] RE: Access Memory Pages

Have you tried looking for an existing hypercall which does something
similar to what you want, to get a hint how it might be done?

 -George

On Thu, Nov 11, 2010 at 9:49 PM, Nimgaonkar, Satyajeet
<SatyajeetNimgaonkar@xxxxxxxxxx> wrote:
> Hi,
>     Can anyone please tell me how should acquire the memory pages for a
> process. I want to achieve this from the hypercall handler so from within
> Xen. Also the process whose memory pages I wish to acquire is the same
> process that is initiating the hypercall.
>     Thank you.
>
> Regards,
> Satyajeet
> ________________________________
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] on behalf of Nimgaonkar, Satyajeet
> [SatyajeetNimgaonkar@xxxxxxxxxx]
> Sent: Thursday, November 11, 2010 10:57 AM
> To: Xen Devel
> Subject: [Xen-devel] Access Memory Pages
>
> Hi,
>     I have a hypercall implemented and I need to access the memory pages
> allocated for the process calling this hypercall within the hypercall
> handler. If i could get any pointers on this it would be great.
>     Thank you very much.
>
> Regards,
> Satyajeet
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>

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