Re: linux-next: add utrace tree

2010-02-08 Thread H. Peter Anvin
On 02/07/2010 10:54 PM, Pavel Machek wrote: No, it has nothing to do with ring. It has to do with modifying code that another CPU could be executing at the same time, and with modifying code on the same processor through another virtual alias (they are different issues.) The same issues apply

Re: linux-next: add utrace tree

2010-02-08 Thread Arjan van de Ven
On Mon, 8 Feb 2010 07:54:25 +0100 Pavel Machek pa...@ucw.cz wrote: No, it has nothing to do with ring. It has to do with modifying code that another CPU could be executing at the same time, and with modifying code on the same processor through another virtual alias (they are different

Re: linux-next: add utrace tree

2010-02-08 Thread Avi Kivity
On 01/27/2010 01:05 PM, Ananth N Mavinakayanahalli wrote: We don't need to write one. I don't know how easy it is to make the kvm emulator less kvm-centric (vcpus, kvm_context, etc). Avi? It's a lot of mindless work but not too difficult; replacing hardcoded accessors with function