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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 95860C433E0 for ; Tue, 23 Jun 2020 14:59:49 +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 4A47120774 for ; Tue, 23 Jun 2020 14:59:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jMmGGUyh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A47120774 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=6ClihSlaIuRhzbmyAF4A3VwFXXJ5EFlEuzG8RMYek7M=; b=jMmGGUyhjVi0qQwNnoCbHcpWL WozmjSLC1ddeaCHnqRyP40SDOIpYkzmsPZcwprql5rUTQMbvR2MTEndAg+ZpV9Xxh3XAlAjf7wSmo rXpAbKjz0jQTAiPam7zWq4TNg58DSRACw9+pBfCgbboRUiM3Fff58xeqHM+2EH1W9l1Kx079zxh0o lzpKIEbSW24yCQzvyv4iMwFgSIsHm0hl8nXOp6ApJ4NQbUGFtiAzxhSSUKHikiX6OnGERc1pzELgP mxNS87qYqtdstZnYOPp/ghmljJiWUSeeLgTEmicBAi0EAnRhbU8qt0Urbs/b+IhRYXPMVum37/HHZ FdOTnBTcQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jnkN1-0003am-Cp; Tue, 23 Jun 2020 14:57:55 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jnkMy-0003Zq-3u for linux-arm-kernel@lists.infradead.org; Tue, 23 Jun 2020 14:57:52 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B8CA31F1; Tue, 23 Jun 2020 07:57:51 -0700 (PDT) Received: from arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2ED103F6CF; Tue, 23 Jun 2020 07:57:50 -0700 (PDT) Date: Tue, 23 Jun 2020 15:57:48 +0100 From: Dave Martin To: Peter Collingbourne Subject: Re: [PATCH v8] arm64: Expose FAR_EL1 tag bits in siginfo Message-ID: <20200623145747.GA25945@arm.com> References: <20200608181413.260795-1-pcc@google.com> <20200623020134.16655-1-pcc@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200623020134.16655-1-pcc@google.com> User-Agent: Mutt/1.5.23 (2014-03-12) 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 , Catalin Marinas , Kevin Brodsky , Oleg Nesterov , Kostya Serebryany , "Eric W. Biederman" , Andrey Konovalov , Vincenzo Frascino , Will Deacon , Evgenii Stepanov , Richard Henderson 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 Mon, Jun 22, 2020 at 07:01:34PM -0700, Peter Collingbourne wrote: > The kernel currently clears the tag bits (i.e. bits 56-63) in the fault > address exposed via siginfo.si_addr and sigcontext.fault_address. However, > the tag bits may be needed by tools in order to accurately diagnose > memory errors, such as HWASan [1] or future tools based on the Memory > Tagging Extension (MTE). [...] Minor nit: Can you stop making each version of this series in-reply-to the previous series please? Most people don't do that, and it's giving me weird threading in my mailbox... Cheers ---Dave _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel