Messages in this thread | | | Date | Fri, 26 Jan 2018 13:36:16 +0100 | From | Joerg Roedel <> | Subject | Re: [RFC PATCH 00/16] PTI support for x86-32 |
| |
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@8bytes.org> 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
| |