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RE: [Xen-devel] VCPU Structure


  • To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Nimgaonkar, Satyajeet" <SatyajeetNimgaonkar@xxxxxxxxxx>
  • Date: Mon, 8 Nov 2010 05:14:25 +0000
  • Accept-language: en-US
  • Cc:
  • Delivery-date: Sun, 07 Nov 2010 21:15:16 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AQHLfIhrBFMS+6m2GUqlA/EV1FAQmJNnDLvl
  • Thread-topic: [Xen-devel] VCPU Structure

Hi,
   I am sorry if I have not provided provided enough information about the functionality that I want to implement. But my problem is that even I new to Xen and trying to understand my way around it. With regards to the functionality that I want to implement, I wish to modify the behavior of the VCPU in xen. As a starting point, I just want to add simple memory integrity block within the VCPU. I am really not sure what would be the best way to do this so I need some suggestions on that too.
   Thanks. I hope that helps too.

Regards,
Satyajeet

From: Dan Magenheimer [dan.magenheimer@xxxxxxxxxx]
Sent: Thursday, November 04, 2010 7:25 PM
To: Nimgaonkar, Satyajeet; Xen Devel
Subject: RE: [Xen-devel] VCPU Structure

I think nobody is responding because you haven’t provided enough information about what it is you are trying to do... and resending the same message doesn’t help.


For example, if you are “extending” the instruction set (e.g. using an illegal opcode to do something useful), that would be very different than trapping memory accesses that meet a certain criteria.

 

From: Nimgaonkar, Satyajeet [mailto:SatyajeetNimgaonkar@xxxxxxxxxx]
Sent: Thursday, November 04, 2010 2:52 PM
To: Xen Devel; Dan Magenheimer
Subject: [Xen-devel] VCPU Structure

 

 Hi,
    I want to modify the VCPU structure to implement memory integrity functionality (i.e. memory hash function), such that the VCPU functionality incorporates memory integrity. Also once this is done, I want make sure that the VMs i create (Dom0 and Domu) run on this modified VCPU itself.
    Can anyone please tell me where should I look for to implement this.
    Thank you very much.

Regards,
Satyajeet

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