"H. Peter Anvin" writes:
> From: "H. Peter Anvin"
>
> This patch implements Supervisor Mode Execution Prevention (SMEP) and
> Supervisor Mode Access Prevention (SMAP) for x86. The purpose of the
> patch, obviously, is to help kernel developers debug the support for
> those features.
>
> A fair
On 09/26/2012 12:50 PM, Anthony Liguori wrote:
>
> The patch looks good except for these two chunks. This would break live
> migration from a new QEMU to an old one because CPUs are currently not
> versioned.
>
> If you just remove these two chunks, the patch can be applied and you
> can still t