Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 31 May 2021 15:15:03 +0300
From:   Mike Rapoport <rppt@kernel.org>
To:     Borislav Petkov <bp@alien8.de>
Cc:     Lianbo Jiang <lijiang@redhat.com>, linux-kernel@vger.kernel.org,
        x86@kernel.org, linux-efi@vger.kernel.org,
        platform-driver-x86@vger.kernel.org, kexec@lists.infradead.org,
        ardb@kernel.org, dvhart@infradead.org, andy@infradead.org,
        tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
        luto@amacapital.net, bhe@redhat.com, dyoung@redhat.com
Subject: Re: [PATCH v2] x86/efi: unconditionally hold the whole low-1MB
 memory regions
Message-ID: <YLTTR5bpOv3XNu32@kernel.org>
References: <20210531090023.16471-1-lijiang@redhat.com>
 <YLSnkKeoQnokXVsK@zn.tnic>
 <YLSzUBQ/7CyINu87@kernel.org>
 <YLS/1sqz6Bncg5VU@zn.tnic>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <YLS/1sqz6Bncg5VU@zn.tnic>
Precedence: bulk

On Mon, May 31, 2021 at 12:52:06PM +0200, Borislav Petkov wrote:
> On Mon, May 31, 2021 at 12:58:40PM +0300, Mike Rapoport wrote:
> > Right, but TBH, I didn't update efi_free_boot_services() in my initial
> > version. I've added similar change there now and I'm waiting now to see if
> > kbuild is happy with this:
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/log/?h=x86/reservelow
> 
> Right, also I'm guessing that first patch should be
> 
> Cc: <stable@vger.kernel.org>
> 
> as there was one report with failing boot, right?

Hmm, why?
The regression is from v5.13-rc1, isn't it?

-- 
Sincerely yours,
Mike.