Hi Alan, On Thu, Jan 25, 2018 at 05:09:25PM +0000, Alan Cox wrote: > On Mon, 22 Jan 2018 09:56:25 +0100 > Joerg Roedel <joro@xxxxxxxxxx> wrote: > > > Hey Nadav, > > > > On Sun, Jan 21, 2018 at 03:46:24PM -0800, Nadav Amit wrote: > > > It does seem that segmentation provides sufficient protection from Meltdown. > > > > Thanks for testing this, if this turns out to be true for all affected > > uarchs it would be a great and better way of protection than enabling > > PTI. > > > > But I'd like an official statement from Intel on that one, as their > > recommended fix is still to use PTI. > > It is: we don't think segmentation works on all processors as a defence. Thanks for checking and the official statement. So the official mitigation recommendation is still to use PTI. Regards, Joerg -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
