linux-kernel - Re: [PATCH 3.10 ~ 3.14] efi: fix the efi 32bit boot failed problem

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Date:	Thu, 30 Jul 2015 09:59:43 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Matt Fleming <matt@...eblueprint.co.uk>
Cc:	fupan.li@...driver.com, linux-kernel@...r.kernel.org,
	fupanli@...il.com, linux-efi@...r.kernel.org,
	Luis Henriques <luis.henriques@...onical.com>,
	stable@...r.kernel.org
Subject: Re: [PATCH 3.10 ~ 3.14] efi: fix the efi 32bit boot failed problem

On Thu, Jul 30, 2015 at 05:45:44PM +0100, Matt Fleming wrote:
> On Thu, 30 Jul, at 09:31:02AM, Greg KH wrote:
> > 
> > Why isn't this an issue in newer kernel releases?  Did this already get
> > fixed by some other patch?  If so, why can't we just take that patch?
> > If not, why not?
>  
> The commit 35d5134b7d5a ("x86/efi: Correct EFI boot stub use of
> code32_start") only exists in the stable trees in that form because
> there was quite a lot of churn in that area in Linus tree that didn't
> get backported.
> 
> So the code in Linus' tree never looked like the code in the stable does
> right now.
> 
> > I _REALLY_ don't like taking patches that are not already in Linus's
> > tree, as it almost always turns out to be the wrong solution.
> 
> Yeah, I think this issue verifies that.

Ugh, what a mess.  Ok, if you get something that works and is in a
format that I can apply it, please resend it properly so that we can do
so.

thanks,

greg k-h
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