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Fri, 18 Sep 2020 08:28:23 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2000C06174A for ; Fri, 18 Sep 2020 05:28:23 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id l191so3388097pgd.5 for ; Fri, 18 Sep 2020 05:28:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=P7ycjQB8Qf5Z6caxe0rnViEryCtRi9d3yDaiZcexIRY=; b=u/tah1KnDN7AwVodlKOD8a5jgACdXBLjP747bAXJdF4JUpQapXTX2BMOWMRsWgN3ED zLgHnmmXcPJh5i0LeM0jTmIh6wAWHs6iN7v84cbUCXblyIc+VDePlVCbdOKHp3hNkd9S OCL7aRuQO+0IEW7L8mxgJfP6B6F2TSAPZCg9ffhf/cH/8yNqeidBrGWUEIuWqc+kA4VM ec76S2zcbGev4oSQFOhZxwPkjVXYMXBTCw3hL1ExXrLXnj/TEp6F526lui6nVsNVrFAu ro91FuS7bETUiT8qKo7BxBCzUxOPqH3rWZCI0UgrSI+lbMbypKSrhn8SDq4RdPkZHJWp v37Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=P7ycjQB8Qf5Z6caxe0rnViEryCtRi9d3yDaiZcexIRY=; b=fpiO8K5Cdig2xGZLzLENj6YsyYbV9qVx6p4pBQVYOc0CYBI4705/LyVrpkMoJPyL7Q kbWWB/jhlYOxHuZYM1znnx3RudVeUWjPvoh0GXv+dDA9wnDWBCGUZATOUYdiqX1zjnxm LJEsNzSiDuZLudtJQs/CBDJcdVGrCGjF/pcbWq0Iq4QAP+YBQLwgwEoTzABRx/gPc28L WZJzf5Nbk4z/N2GnDVD5UF152MHd5XFEkZM2vSr6YoA2MvbWe4/2G4viXcbQ3eIBVSL1 Q8og3aJFYkcag2n6ngqTF8Mk9lvIRby4GYCvGTWFVNzNtq4UclhN5VVGpXCt4E9Qd6gI fbLw== X-Gm-Message-State: AOAM533ClM4RPmRG/4uKBPmt63o5cldTEmMJ5MdfZTVVg6jh3bJOk1EE w09WheV9g8XPskgAbjIqi3ytZdsCwfnvk1Tg8sEANw== X-Google-Smtp-Source: ABdhPJzqgzII0KaPdRre+oDC1j0bJsqSfsNy17fKfcsSiid/f2qZ0J/MyTPJ9hBmQA5hX2keVUFvawszd+z5Uq9+aG8= X-Received: by 2002:a63:2209:: with SMTP id i9mr21795613pgi.130.1600432101917; Fri, 18 Sep 2020 05:28:21 -0700 (PDT) MIME-Version: 1.0 References: <74133d1a57c47cb8fec791dd5d1e6417b0579fc3.1600204505.git.andreyknvl@google.com> <20200918104650.GA2384246@elver.google.com> In-Reply-To: <20200918104650.GA2384246@elver.google.com> From: Andrey Konovalov Date: Fri, 18 Sep 2020 14:28:11 +0200 Message-ID: Subject: Re: [PATCH v2 33/37] kasan, arm64: implement HW_TAGS runtime To: Marco Elver Cc: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev , Andrey Ryabinin , Alexander Potapenko , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , Will Deacon , Andrew Morton , Linux ARM , Linux Memory Management List , LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 18, 2020 at 12:46 PM Marco Elver wrote: > > On Tue, Sep 15, 2020 at 11:16PM +0200, Andrey Konovalov wrote: > [...] > > arch/arm64/include/asm/memory.h | 4 +- > > arch/arm64/kernel/setup.c | 1 - > > include/linux/kasan.h | 6 +-- > > include/linux/mm.h | 2 +- > > include/linux/page-flags-layout.h | 2 +- > > mm/kasan/Makefile | 5 ++ > > mm/kasan/common.c | 14 +++--- > > mm/kasan/kasan.h | 17 +++++-- > > mm/kasan/report_tags_hw.c | 47 +++++++++++++++++++ > > mm/kasan/report_tags_sw.c | 2 +- > > mm/kasan/shadow.c | 2 +- > > mm/kasan/tags_hw.c | 78 +++++++++++++++++++++++++++++++ > > mm/kasan/tags_sw.c | 2 +- > > 13 files changed, 162 insertions(+), 20 deletions(-) > > create mode 100644 mm/kasan/report_tags_hw.c > > create mode 100644 mm/kasan/tags_hw.c > [...] > > diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c > > index 77c4c9bad1b8..5985be8af2c6 100644 > > --- a/arch/arm64/kernel/setup.c > > +++ b/arch/arm64/kernel/setup.c > > @@ -358,7 +358,6 @@ void __init __no_sanitize_address setup_arch(char **cmdline_p) > > smp_init_cpus(); > > smp_build_mpidr_hash(); > > > > - /* Init percpu seeds for random tags after cpus are set up. */ > > Why was the comment removed and not updated? Will fix in v3, thanks!