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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B0596C2D0E4 for ; Fri, 20 Nov 2020 18:01:34 +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 34E772242B for ; Fri, 20 Nov 2020 18:01:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="zm101HtL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 34E772242B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lwn.net 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:MIME-Version:References:In-Reply-To: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=Q0Maqp1FEN0ny6Tu+MI/NqIMnXMu4qEte/A1ZGE2BKg=; b=zm101HtLAQROrLLB5Om3qDXpn HL5H2JoqjQFsD9im3nyqWKEfXbRbWF/pJ8qh/Vso6jUNpWLpXqumQkzfHi6BFzrE5lZj4dAYvluHL UnJel+6IKeHWsY3BsKJQpa21EpqxsTtGnuvumWxYmnjsnIgbSOsEhEGAhbOY3bHQlUgDptWfUvTF2 oVxx1xtlK2DLDVghgTtTpmlN2RbwZWEVhXV6GvgN+OFhepXsihu6AWJvGTvb5EdHcZ8X6/HCp0rrS yfFI12qLsaONFI81G8LGxeDmwbUx8k00l8wUaMdMP/wrrC0fCej1In4SRJkPgMvDT0f8QPiBAE1Kj fOabQ9tMw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kgAhv-0005tP-Pe; Fri, 20 Nov 2020 18:00:27 +0000 Received: from ms.lwn.net ([2600:3c01:e000:3a1::42]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kgAhs-0005r3-AS for linux-arm-kernel@lists.infradead.org; Fri, 20 Nov 2020 18:00:26 +0000 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 0881835A; Fri, 20 Nov 2020 18:00:04 +0000 (UTC) Date: Fri, 20 Nov 2020 11:00:03 -0700 From: Jonathan Corbet To: Catalin Marinas Subject: Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags Message-ID: <20201120110003.5bba61d5@lwn.net> In-Reply-To: <20201120144408.GE24344@gaia> References: <20201106101940.5777-1-szabolcs.nagy@arm.com> <20201120144408.GE24344@gaia> Organization: LWN.net MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201120_130024_632941_FB8861A3 X-CRM114-Status: GOOD ( 20.46 ) 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: Szabolcs Nagy , adobriyan@gmail.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org 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 Fri, 20 Nov 2020 14:44:09 +0000 Catalin Marinas wrote: > On Fri, Nov 06, 2020 at 10:19:40AM +0000, Szabolcs Nagy wrote: > > Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags. > > Support for this was introduced in > > > > commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c > > arm64: mte: Add PROT_MTE support to mmap() and mprotect() > > > > Signed-off-by: Szabolcs Nagy > > Reviewed-by: Catalin Marinas > > Cc: linux-doc@vger.kernel.org > > --- > > Documentation/filesystems/proc.rst | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst > > index 533c79e8d2cd..e5fa972d4c76 100644 > > --- a/Documentation/filesystems/proc.rst > > +++ b/Documentation/filesystems/proc.rst > > @@ -546,6 +546,7 @@ encoded manner. The codes are the following: > > nh no huge page advise flag > > mg mergable advise flag > > bt arm64 BTI guarded page > > + mt arm64 MTE allocation tags are enabled > > == ======================================= > > > > Note that there is no guarantee that every flag and associated mnemonic will > > Are you ok with picking up this patch (it can be left for 5.11) or > should I queue it in the arm64 tree? It wasn't sent to me, so it wasn't on my radar. Up to you, I'm happy to grab it if you'd prefer. Thanks, jon _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel