linux-kernel - Re: [PATCH 1/2] arm64: setup: introduce kaslr

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Message-ID: <183ee3f1-5e2e-4512-6300-cc804e2baa4e@linux.com>
Date:   Wed, 14 Dec 2016 01:07:51 +0300
From:   Alexander Popov <alex.popov@...ux.com>
To:     Will Deacon <will.deacon@....com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh@...nel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        AKASHI Takahiro <takahiro.akashi@...aro.org>,
        Jon Masters <jcm@...hat.com>,
        David Daney <david.daney@...ium.com>,
        Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Nicolai Stange <nicstange@...il.com>,
        James Morse <james.morse@....com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        syzkaller <syzkaller@...glegroups.com>,
        Quentin Casasnovas <quentin.casasnovas@...cle.com>
Subject: Re: [PATCH 1/2] arm64: setup: introduce kaslr_offset()

On 12.12.2016 14:29, Will Deacon wrote:
> On Sun, Dec 11, 2016 at 03:50:55AM +0300, Alexander Popov wrote:
>> Introduce kaslr_offset() similarly to x86_64 for fixing kcov.
>>
>> Signed-off-by: Alexander Popov <alex.popov@...ux.com>
>> ---
>>  arch/arm64/include/asm/setup.h      | 19 +++++++++++++++++++
>>  arch/arm64/include/uapi/asm/setup.h |  4 ++--
>>  arch/arm64/kernel/setup.c           |  8 ++++----
>>  3 files changed, 25 insertions(+), 6 deletions(-)
>>  create mode 100644 arch/arm64/include/asm/setup.h
> 
> You could probably just stick this in asm/memory.h, since that's where
> kimage_vaddr is declared and it would save adding a new header file.

Thanks, Will. I'll do that.

--
Alexander