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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:content-transfer-encoding; bh=dHIwVHj/jWzL1sw9rtjN4XGVp52gznrPRFC4/UO5JAw=; b=ehfnuRg06Q6HDRGKZLeYoI6ScRK2JagWFE454oRsbtmnIjVCVfZsplJDvDgYX1QRRc akkOaXyH0xd63vcGc9wC5GRsvD1nogmzK6CjlbLMX8k9XUs8zZrrLGTflU1wPmcxR+px hew93XI4BsVB7PPtKgnIoen64aWhNW+2WKSQmiHT9qnnNClsbmqseM07IZP2/XxJrPq0 UlZk8/C2fN/iHovyVPfSCBYX+FR+494MxiPWneQmQdsyz1HWX68m8RatcS4Q+NyryAXS WTPTmGCEovqQM8chZerD2ZlnI8TNSD4yD2eRjeqaZ9GRHwjUa/ewm9EDIEIEW4jOD2lJ VbBw== X-Gm-Message-State: AOAM531ns8C3L80VSmQEDIz/xFwzWlsTgk3pUZRHhrZvHl12FHJsksjo JwX4yaieC0VqVkTC3LaxDDq1+FQtGzZND34ABcBw/w== X-Google-Smtp-Source: ABdhPJwjig6fpjowOP840jmc+kQ2gIR1Dy5LX8/g2T53j3ea4lFOAg5xbJv3X2ZJnClMIqG6zhTVgzInEwS8twOLruQ= X-Received: by 2002:ac8:454d:: with SMTP id z13mr21816261qtn.175.1605113369540; Wed, 11 Nov 2020 08:49:29 -0800 (PST) MIME-Version: 1.0 References: <3d24722ca600b65a186a55ae47777a00a7c9407c.1605046192.git.andreyknvl@google.com> In-Reply-To: <3d24722ca600b65a186a55ae47777a00a7c9407c.1605046192.git.andreyknvl@google.com> From: Alexander Potapenko Date: Wed, 11 Nov 2020 17:49:17 +0100 Message-ID: Subject: Re: [PATCH v9 42/44] kasan, arm64: enable CONFIG_KASAN_HW_TAGS To: Andrey Konovalov Cc: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , Andrew Morton , kasan-dev , Linux ARM , Linux Memory Management List , LKML Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Nov 10, 2020 at 11:12 PM Andrey Konovalov w= rote: > > Hardware tag-based KASAN is now ready, enable the configuration option. > > Signed-off-by: Andrey Konovalov > Signed-off-by: Vincenzo Frascino > Acked-by: Catalin Marinas Reviewed-by: Alexander Potapenko > --- > Change-Id: I6eb1eea770e6b61ad71c701231b8d815a7ccc853 > --- > arch/arm64/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 456741645f01..c35e73efd407 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -135,6 +135,7 @@ config ARM64 > select HAVE_ARCH_JUMP_LABEL_RELATIVE > select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) > select HAVE_ARCH_KASAN_SW_TAGS if (HAVE_ARCH_KASAN && !ARM64_MTE) > + select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE) > select HAVE_ARCH_KGDB > select HAVE_ARCH_MMAP_RND_BITS > select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT > -- > 2.29.2.222.g5d2a92d10f8-goog > --=20 Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Stra=C3=9Fe, 33 80636 M=C3=BCnchen Gesch=C3=A4ftsf=C3=BChrer: Paul Manicle, Halimah DeLaine Prado Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg