[lkml]   [2018]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC PATCH 00/16] PTI support for x86-32
On Mon, 22 Jan 2018 09:56:25 +0100
Joerg Roedel <> 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.
> And as you said, if it turns out that this works only on some Intel
> uarchs, we can also detect it at runtime and then chose the fasted
> meltdown protection mechanism.

I'll follow this up and get an official statement.


 \ /
  Last update: 2018-01-23 16:00    [W:0.114 / U:1.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site