[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CAJMQK-jrJQri3gM=X6JRD6Rk+B5S4939HJTptrQMY64xEWr1qA@mail.gmail.com>
Date: Thu, 16 May 2019 22:51:25 +0800
From: Hsin-Yi Wang <hsinyi@...omium.org>
To: Rob Herring <robh+dt@...nel.org>
Cc: "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Frank Rowand <frowand.list@...il.com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Mike Rapoport <rppt@...ux.ibm.com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Miles Chen <miles.chen@...iatek.com>,
James Morse <james.morse@....com>,
Andrew Murray <andrew.murray@....com>,
Mark Rutland <mark.rutland@....com>,
Chintan Pandya <cpandya@...eaurora.org>,
Jun Yao <yaojun8558363@...il.com>, Yu Zhao <yuzhao@...gle.com>,
Robin Murphy <robin.murphy@....com>,
Laura Abbott <labbott@...hat.com>,
Stephen Boyd <swboyd@...omium.org>,
Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH v3 2/3] arm64: implement update_fdt_pgprot()
On Thu, May 16, 2019 at 10:37 PM Rob Herring <robh+dt@...nel.org> wrote:
>
> Why not just map the FDT R/W at the start and change it to RO just
> before calling unflatten_device_tree? Then all the FDT scanning
> functions or any future fixups we need can just assume R/W. That is
> essentially what Stephen suggested. However, there's no need for a
> weak function as it can all be done within the arch code.
>
We need to add a new seed for kexec
Powered by blists - more mailing lists