Re: [Xen-devel] Side channel attack

[liuweijie <liuwj0129@xxxxxxx>]

Hi Zakirasafi,

> unsigned int timestamp(void)
> {
> unsigned int bottom;
> unsigned int top;
> *asm volatile(".byte 15;.byte 49" : "=a"(bottom),"=d"(top)); return bottom;*
> }

It is ‘RDTSC’ instruction.

Besides, I am happy that someone is also working on side channel attack on Xen. 
Maybe we can contact in private.

Weijie.



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel