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

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Message-ID: <20180209150436.GA8265@kroah.com>
Date:   Fri, 9 Feb 2018 16:04:36 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Will Deacon <will.deacon@....com>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        ard.biesheuvel@...aro.org
Subject: Re: [GIT PULL] arm64 spectre and meltdown mitigations for -stable

On Fri, Feb 09, 2018 at 01:51:31PM +0000, Will Deacon wrote:
> 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.

Ok, then it's not a big deal to wait a few more days :)

Maybe by then we can have the 4.14 patches at the same time...

thanks,

greg k-h