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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id x72sm1442794oif.50.2019.05.24.14.58.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 24 May 2019 14:58:38 -0700 (PDT) Date: Fri, 24 May 2019 16:58:38 -0500 From: Rob Herring To: Hsin-Yi Wang Subject: Re: [PATCH v4 1/3] amr64: map FDT as RW for early_init_dt_scan() Message-ID: <20190524215838.GA16271@bogus> References: <20190519160446.320-1-hsinyi@chromium.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190519160446.320-1-hsinyi@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190524_145841_098574_9741FF71 X-CRM114-Status: GOOD ( 13.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Yu Zhao , Kees Cook , Ard Biesheuvel , Catalin Marinas , Stephen Boyd , Will Deacon , linux-kernel@vger.kernel.org, Mike Rapoport , Jun Yao , Miles Chen , James Morse , Andrew Murray , Andrew Morton , Laura Abbott , Frank Rowand , linux-arm-kernel@lists.infradead.org, Robin Murphy Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 20, 2019 at 12:04:44AM +0800, Hsin-Yi Wang wrote: > Currently in arm64, FDT is mapped to RO before it's passed to > early_init_dt_scan(). However, there might be some code that needs > to modify FDT during init. Map FDT to RW until unflatten DT. typo in the subject. Otherwise, this one seems fine to me. > > Signed-off-by: Hsin-Yi Wang > --- > change log v2->v4: > * v3 abandoned > * add an arg pgprot_t to fixmap_remap_fdt() > --- > arch/arm64/include/asm/mmu.h | 2 +- > arch/arm64/kernel/setup.c | 5 ++++- > arch/arm64/mm/mmu.c | 4 ++-- > 3 files changed, 7 insertions(+), 4 deletions(-) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel