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Date: Fri, 24 May 2019 16:58:38 -0500 From: Rob Herring <robh@...nel.org> To: Hsin-Yi Wang <hsinyi@...omium.org> Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...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>, 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 v4 1/3] amr64: map FDT as RW for early_init_dt_scan() 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 <hsinyi@...omium.org> > --- > 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(-)
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