linux-kernel - Re: [PATCH] Skip UV runtime services mapping in the efi_runtime

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Message-ID: <20160804092307.GI3636@codeblueprint.co.uk>
Date:	Thu, 4 Aug 2016 10:23:07 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	Alex Thorlton <athorlton@....com>
Cc:	linux-kernel@...r.kernel.org, Russ Anderson <rja@....com>,
	Mike Travis <travis@....com>, Borislav Petkov <bp@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH] Skip UV runtime services mapping in the
 efi_runtime_disabled case

On Wed, 03 Aug, at 02:36:07PM, Alex Thorlton wrote:
> On Mon, Aug 01, 2016 at 09:28:06AM -0500, Alex Thorlton wrote:
> > So, it definitely needs to go in for v4.8, but it's kind of a toss-up
> > for the older kernels.  I'll discuss this with the other guys around
> > here to see what they think, and get back to you a bit later, if that's
> > alright?
> 
> We talked about this, and I think everyone here agrees that there's not
> much point in pulling this change back to the older kernels.  The only
> exception here would be that we'd definitely like this change on the
> older kernels *if* my other memmap fixes get ported back to those
> kernels, though I don't know what the chances are of those changes
> making it through stable.
> 
> So, unless you have a particular reason that you'd like to pull it back
> to the old kernels, or you think that my other fixes might make it back
> there, I don't see much point.
> 
> Let me know what you think!

Sound reasoning. I'll apply this to v4.8 only.