linux-kernel - Re: [PATCH 4.9 62/88] x86/boot/compressed: Dont declare __force_order in kaslr

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Date:   Tue, 10 Mar 2020 17:55:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Borislav Petkov <bp@...e.de>
Cc:     Thomas Voegtle <tv@...96.de>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, "H.J. Lu" <hjl.tools@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.9 62/88] x86/boot/compressed: Dont declare
 __force_order in kaslr_64.c

On Tue, Mar 10, 2020 at 04:08:45PM +0100, Borislav Petkov wrote:
> On Tue, Mar 10, 2020 at 03:33:57PM +0100, Thomas Voegtle wrote:
> > This ends up for me in:
> > 
> > arch/x86/boot/compressed/pagetable.o: In function
> > `initialize_identity_maps':
> > pagetable.c:(.text+0x309): undefined reference to `__force_order'
> > arch/x86/boot/compressed/pagetable.o: In function `finalize_identity_maps':
> > pagetable.c:(.text+0x41a): undefined reference to `__force_order'
> > 
> > 
> > pgtable_64.c doesn't exist in v4.9 for x86.
> > 
> > So I guess it's not correct to remove __force_order from pagetable.c?
> 
> Yes, the second __force_order thing was added by
> 
> 08529078d8d9 ("x86/boot/compressed/64: Detect and handle 5-level paging at boot-time")
> 
> which is 4.14.
> 
> Greg, pls drop this patch from the 4.9 lineup.

Now dropped, thanks.

greg k-h