From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59743C433E2 for ; Thu, 17 Sep 2020 17:07:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9B2BC214D8 for ; Thu, 17 Sep 2020 17:07:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cfDH2+J1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B2BC214D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ftkKTXoXpJn5n2zR+aCS0S6ev9rm7D6kDBVe4WT1s+g=; b=cfDH2+J1k5gh4H4AGjHm7Lp9j yeE9Y+qcr0+a4E1xsfYlB7dUTxnhc2hrI+kOTSIiwgcWHTlCnLz835CCr13/UG9dzhzUuA0afwlgf +jXKpj9oK40s0cw5QkWTNjxJ9iC+KKsM/Pj+J7h/QkLO6asoFqjUh0vNTLBEVYzeNqWsP7dPqfm86 5HCH4nLvcXa0EsXX3BYMMUAgqx2aKZozkIHJ8DQLd7lC5doDBd3O8nQy4BZH5QIh/WT7Siq4bKegk EJY6KslPGxejNpdp5BfpVeQaapqZ3BrV3NGsytjHFZ9/lUwCgN7xVyn1ualMVvV58xhupKsLumIap YpCRaVtKQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIxM6-0002BZ-VD; Thu, 17 Sep 2020 17:05:59 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIxM4-0002A3-Gl for linux-arm-kernel@lists.infradead.org; Thu, 17 Sep 2020 17:05:57 +0000 Received: from gaia (unknown [31.124.44.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4108E206A2; Thu, 17 Sep 2020 17:05:53 +0000 (UTC) Date: Thu, 17 Sep 2020 18:05:50 +0100 From: Catalin Marinas To: Andrey Konovalov Subject: Re: [PATCH v2 23/37] arm64: kasan: Add arch layer for memory tagging helpers Message-ID: <20200917170550.GN10662@gaia> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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-20200917_130556_617449_F5B0D2AA X-CRM114-Status: GOOD ( 13.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, Marco Elver , Elena Petrova , Kevin Brodsky , Will Deacon , Branislav Rankov , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko , Evgenii Stepanov , Andrey Ryabinin , Andrew Morton , Vincenzo Frascino , Dmitry Vyukov Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Sep 15, 2020 at 11:16:05PM +0200, Andrey Konovalov wrote: > This patch add a set of arch_*() memory tagging helpers currently only > defined for arm64 when hardware tag-based KASAN is enabled. These helpers > will be used by KASAN runtime to implement the hardware tag-based mode. > > The arch-level indirection level is introduced to simplify adding hardware > tag-based KASAN support for other architectures in the future by defining > the appropriate arch_*() macros. > > Signed-off-by: Andrey Konovalov > Co-developed-by: Vincenzo Frascino > Signed-off-by: Vincenzo Frascino Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel