Re: [GIT PULL] arm64 spectre and meltdown mitigations for -stable

From: Will Deacon
Date: Fri Feb 09 2018 - 08:51:33 EST


On Fri, Feb 09, 2018 at 02:49:57PM +0100, Greg KH wrote:
> On Fri, Feb 09, 2018 at 01:48:11PM +0000, Will Deacon wrote:
> > Hi Greg,
> >
> > I've put together a tag which includes all of the upstream arm64 spectre and
> > meltdown mitigations based on v4.15. Please could you consider taking this
> > into the 4.15 stable tree?
> >
> > I understand that Ard (cc'd) is using this stack to create a version for 4.14
> > too.
> >
> > Note that there are two commits in here that are already in stable:
> >
> > 9c9345fb26ff [Variant 1/Spectre-v1] Documentation: Document array_index_nospec
> > 60d6c8a8e54e [Variant 1/Spectre-v1] array_index_nospec: Sanitize speculative array de-references
> >
> > so you can skip those when applying.
> >
> > Please shout if you run into trouble.
>
> Ah, nice, thanks for this. I'll use this for the next 4.15.y kernel
> release after the one I _just_ sent out for review a few minutes ago.

Cool, sorry for the unfortunate timing. This only hit mainline last night.

Will