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


  • To: "Nimgaonkar, Satyajeet" <SatyajeetNimgaonkar@xxxxxxxxxx>
  • From: George Dunlap <dunlapg@xxxxxxxxx>
  • Date: Fri, 12 Nov 2010 18:03:24 +0000
  • Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 12 Nov 2010 10:09:42 -0800
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I meant, you can see how that hypercall does it and copy its technique.
 -G

On Fri, Nov 12, 2010 at 5:31 PM, Nimgaonkar, Satyajeet
<SatyajeetNimgaonkar@xxxxxxxxxx> wrote:
> 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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