Re: [Xen-devel] Intercepting page access

2015-04-20 Thread Andrew Cooper
On 20/04/15 16:01, HANNAS YAYA Issa wrote: > Hi > I really really need help. I continue trying to make it work but > nothing change. > Please I need help :( > > Please read an x86 architecture manual before trying to play blindly in the dark, and particularly the permission checks in paging mode.

Re: [Xen-devel] Intercepting page access

2015-04-20 Thread HANNAS YAYA Issa
Hi I really really need help. I continue trying to make it work but nothing change. Please I need help :( On Sat, 18 Apr 2015 19:25:52 +0200, HANNAS YAYA Issa wrote: Hi I am working in a research project I want to incercept pages access by guest virtual machine. My approach is setting high

[Xen-devel] Intercepting page access

2015-04-18 Thread HANNAS YAYA Issa
Hi I am working in a research project I want to incercept pages access by guest virtual machine. My approach is setting higher priviledge in pages by setting changing the user/sypervisor priviledge bit in page table entry associated to this page. Here is the piece of code used void remove_acc