Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Sat, 14 Dec 2019 18:07:00 +0800
From:   Baoquan He <bhe@redhat.com>
To:     Borislav Petkov <bp@alien8.de>,
        Masayoshi Mizuma <msys.mizuma@gmail.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 4/4] x86/mm/KASLR: Adjust the padding size for the
 direct mapping.
Message-ID: <20191214100700.GK28917@MiWiFi-R3L-srv>
References: <20191115144917.28469-1-msys.mizuma@gmail.com>
 <20191115144917.28469-5-msys.mizuma@gmail.com>
 <20191212201916.GL4991@zn.tnic>
 <20191213132850.GG28917@MiWiFi-R3L-srv>
 <20191213141543.GA25899@zn.tnic>
 <20191213145448.GH28917@MiWiFi-R3L-srv>
 <20191213163818.GB25899@zn.tnic>
 <20191213232928.GI28917@MiWiFi-R3L-srv>
 <20191214071329.GA28635@zn.tnic>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20191214071329.GA28635@zn.tnic>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 12/14/19 at 08:13am, Borislav Petkov wrote:
> On Sat, Dec 14, 2019 at 07:29:28AM +0800, Baoquan He wrote:
> > OK, you mean parsing SRAT again before kernel_randomize_memory(). I
> > think this is what Masa made this patchset to avoid. Then we will have
> > three times SRAT parsing.
> 
> Can the SRAT parsing be *moved* up so that it is done before
> kernel_randomize_memory() ?
> 
> So that it doesn't happen 3 times and acpi_numa_init() can simply use
> the already parsed results.

Not very sure, It could be doable. Maybe Masa can have a try.