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=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 E3FFAC64E7A for ; Tue, 1 Dec 2020 19:04:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D11A2151B for ; Tue, 1 Dec 2020 19:04:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729859AbgLATEv (ORCPT ); Tue, 1 Dec 2020 14:04:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:45466 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725962AbgLATEv (ORCPT ); Tue, 1 Dec 2020 14:04:51 -0500 Received: from gaia (unknown [95.146.230.165]) (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 131DE20643; Tue, 1 Dec 2020 19:04:08 +0000 (UTC) Date: Tue, 1 Dec 2020 19:04:06 +0000 From: Catalin Marinas To: Jonathan Corbet Cc: Szabolcs Nagy , adobriyan@gmail.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org Subject: Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags Message-ID: <20201201190406.GC2502@gaia> References: <20201106101940.5777-1-szabolcs.nagy@arm.com> <20201120144408.GE24344@gaia> <20201120110003.5bba61d5@lwn.net> <20201120222413.GA28722@gaia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201120222413.GA28722@gaia> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Hi Jon, On Fri, Nov 20, 2020 at 10:24:13PM +0000, Catalin Marinas wrote: > On Fri, Nov 20, 2020 at 11:00:03AM -0700, Jonathan Corbet wrote: > > 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. > > Please do grab it. Thanks. In case it slipped through the cracks (I haven't seen it in -next). Otherwise I'll queue it sometime later this week for 5.11. Thanks. -- Catalin