Response to Meltdown and Spectre

[Gordon Tetlow]

On Tue, Jan 16, 2018 at 1:57 AM, Konstantin Belousov
<kostikbel at gmail.com> wrote:
> On Mon, Jan 15, 2018 at 09:20:24PM -0800, Gordon Tetlow wrote:
>> On Sat, Jan 13, 2018 at 8:10 AM, Konstantin Belousov
>> <kostikbel at gmail.com> wrote:
>> > On Mon, Jan 08, 2018 at 09:57:51AM -0800, Gordon Tetlow wrote:
>> >> Meltdown (CVE-2017-5754)
>> >> ~~~~~~~~~~~~~~~~~~~~~~~~
>> >> Initial work can be tracked at https://reviews.freebsd.org/D13797.
>> >> Please note this is a work in progress and some stuff is likely to be
>> >> broken.
>> > I consider this patch as ready for review now.
>>
>> Awesome! So, what's next? Do we have some testers we can solicit to
>> beat on this? I believe des@ had a test case to try out? Based on
>> where we are, what needs to be done to get this into the tree?
>> Secondarily, what's needed to get this in shape for 10.3/10.4/11.1?
>
> As expected, nothing happens WRT review.

Who is a good person to review this? alc? (I can't think of any other
VM people out there).

> Peter tested the patch, it seems to be fine. I put shims to allow i386
> to compile. My idea is to flip the default to non-PTI and commit the
> patch as is today.

Is there a reason to leave the PTI off in CURRENT? I'd rather turn it
on and break some stuff to get the testing coverage than to leave it
off.

Gordon