Re: [Qemu-devel] [PATCH] VMRUN should store the RIP after the instruction

[Anthony Liguori]

Alexander Graf wrote:
> VMRUN stores the IP which is used to return to the instruction after 
> the VMRUN in case of a VMEXIT. Due to recent changes, this does not 
> happen anymore and a VMEXIT simply returns to the VMRUN instruction.
>
> Alex

The open-coded  + 3 bothers me.  Are there any circumstances that a 
prefix could be used with vmrun that would change the instruction 
length?  vmrun doesn't appear to be affected by prefixes but I don't see 
anything in the AMD manual specifically forbidding it.

Regards,

Anthony Liguori