Re: [patch 2/6] x86 efi: reserve boot service fix

From: Matt Fleming
Date: Sun Oct 27 2013 - 16:31:16 EST


On Sun, 27 Oct, at 11:50:09AM, Borislav Petkov wrote:
> On Sun, Oct 27, 2013 at 11:47:15AM +0800, dyoung@xxxxxxxxxx wrote:
> > Current code check boot service region with kernel text region by:
> > start+size >= __pa_symbol(_text)
> > The end of the above region should be start + size - 1 instead.
> >
> > I see this problem in ovmf + Fedora 19 grub boot:
> > text start: 1000000 md start: 800000 md size: 800000
> >
> > Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
>
> Acked-by: Borislav Petkov <bp@xxxxxxx>
>
> Btw, Matt, this being a bugfix and all, shouldn't it be tagged for
> stable?

Well that depends. Dave, am I correct in thinking that you only noticed
this bug when writing kexec support? I'm inclined not to bother with a
stable tag if no one has ever noticed any fallout from this bug until
now.

--
Matt Fleming, Intel Open Source Technology Center
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