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Date: Mon, 17 Sep 2018 23:09:55 +0200
From: Joerg Roedel <jroedel@suse.de>
Subject: Re: Patch "x86/kexec: Allocate 8k PGDs for PTI" has been added to
 the 3.18-stable tree
Message-ID: <20180917210955.ucnsxd4bem452kxt@suse.de>
References: <1537177617126129@kroah.com>
 <alpine.LSU.2.11.1809171213560.1601@eggly.anvils>
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To: Hugh Dickins <hughd@google.com>
Cc: gregkh@linuxfoundation.org, 1532533683-5988-4-git-send-email-joro@8bytes.org, David.Laight@aculab.com, aarcange@redhat.com, acme@kernel.org, alexander.levin@microsoft.com, alexander.shishkin@linux.intel.com, aliguori@amazon.com, boris.ostrovsky@oracle.com, bp@alien8.de, brgerst@gmail.com, daniel.gruss@iaik.tugraz.at, dave.hansen@intel.com, dhgutteridge@sympatico.ca, dvlasenk@redhat.com, eduval@amazon.com, hpa@zytor.com, jgross@suse.com, jkosina@suse.cz, jolsa@redhat.comjoro@8bytes.org, jpoimboe@redhat.com, keescook@google.com, linux-mm@kvack.org, llong@redhat.com, luto@kernel.org, namhyung@kernel.org, pavel@ucw.cz, peterz@infradead.org, tglx@linutronix.de, torvalds@linux-foundation.org, will.deacon@arm.com, stable-commits@vger.kernel.org, stable@vger.kernel.org

On Mon, Sep 17, 2018 at 12:33:47PM -0700, Hugh Dickins wrote:
> In several of the recent stable trees, I think this will not do any
> actual harm; but it looks as if it will prevent relevant x86-32 configs
> from building on 3.18 (I see no definition of PGD_ALLOCATION_ORDER in
> linux-3.18.y - you preferred not to have any PTI in that tree), and I
> haven't checked whether its definition in older backports will build
> correctly here or not.

Right, thanks for pointing that out. I should have added a Fixes:-tag to
the patch to make clear what the fix it for, sorry for that.


	Joerg