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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA393ECAAD3 for ; Thu, 1 Sep 2022 14:37:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3E5048D0007; Thu, 1 Sep 2022 10:37:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 394C28D0006; Thu, 1 Sep 2022 10:37:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 25C9A8D0007; Thu, 1 Sep 2022 10:37:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 166448D0006 for ; Thu, 1 Sep 2022 10:37:31 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id DB52CA0FDA for ; Thu, 1 Sep 2022 14:37:30 +0000 (UTC) X-FDA: 79863769860.20.63D46DA Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf18.hostedemail.com (Postfix) with ESMTP id 2D6CB1C0046 for ; Thu, 1 Sep 2022 14:37:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662043050; x=1693579050; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ORmCa86BV+qGlurL4z2DsbOpqGhBny3TKiFZbG9VSiE=; b=eLi4J9DF/ko2ALsmrnjz+Br49qobxOtBN6rdsiwTeTjd0e0l5RDq/osm rKpaZjUjFLSV2hm7qjmpBEPDNyutQSBOsqCptaDeTprLPppgT4T0jG2ci Ls9XOuONXgvQDIQX1mwaseXT+Q31gd5a5yx9R5XQEN1epKTPOqKU4NkGN gG9+Or87LjwGA22xsYaavPpkhqqg6/96cF1FQq/TH+QWjqiBhQTu3XPZv a4A7dXqo3p+64VDsIInmsruIZXtVsms8ptam/+PAnVvJ8HYrxLRl41Oy6 IrahHytdRlAjR4qkXyupQHf0rT2Wa9cGMnOrOYk0fTOXnLF3lRwHGr6e4 A==; X-IronPort-AV: E=McAfee;i="6500,9779,10457"; a="297014325" X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="297014325" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2022 07:37:28 -0700 X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="754842284" Received: from vzilkov-mobl.ger.corp.intel.com (HELO box.shutemov.name) ([10.252.53.108]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2022 07:37:25 -0700 Received: by box.shutemov.name (Postfix, from userid 1000) id 277F610483D; Thu, 1 Sep 2022 17:37:23 +0300 (+03) Date: Thu, 1 Sep 2022 17:37:23 +0300 From: "Kirill A . Shutemov" To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Sasha Levin , "Aneesh Kumar K . V" , Vlastimil Babka , Jerome Marchand , Andrea Arcangeli , Hugh Dickins , Jason Gunthorpe , John Hubbard , Peter Xu , Yang Shi Subject: Re: [PATCH v1] mm/gup: adjust stale comment for RCU GUP-fast Message-ID: <20220901143723.wg2wjqubcfztze7a@box.shutemov.name> References: <20220901072119.37588-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220901072119.37588-1-david@redhat.com> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1662043050; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=nOhgkD+YNpSnDsQSQSa1gQN2E+PXwuv7EHxOqjzYn50=; b=qzYdsJNFT7u3xg6t43KYsMyrx+n7WSlZscZiu70uDo83oBA2Ukuw89XcjOtyYU62s/+PvK bAuto5zZBYEU2dH3T2MPhLyOPk4lU0d0QarT1HwkpNeHsQPa8Pg5XEwMjXM20DtsPjAHsq sdY8wTNBfKNk26Y1RmFO/re/wc1ACls= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=eLi4J9DF; spf=none (imf18.hostedemail.com: domain of kirill.shutemov@linux.intel.com has no SPF policy when checking 134.134.136.65) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail reason="No valid SPF" header.from=intel.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1662043050; a=rsa-sha256; cv=none; b=c4iODO2oqNjI5kXZnXWUP5MIod0SdmEPD5TIeArsYyIdUcyWVgv6+rO6pCkxdJ1pmVqAyr nBsE4xeyIn7qvX0UhzEmilJh6BtgMu5+hR1a4j+4CS/0ANfgt5CBVGBJdxHjxYn5uwxkh7 lQNPOWvoykjaEu0gFBYYLC54TmfmXFI= Authentication-Results: imf18.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=eLi4J9DF; spf=none (imf18.hostedemail.com: domain of kirill.shutemov@linux.intel.com has no SPF policy when checking 134.134.136.65) smtp.mailfrom=kirill.shutemov@linux.intel.com; dmarc=fail reason="No valid SPF" header.from=intel.com (policy=none) X-Rspam-User: X-Stat-Signature: zehjph36fhgk5c337resxsrsp5m3ompo X-Rspamd-Queue-Id: 2D6CB1C0046 X-Rspamd-Server: rspam05 X-HE-Tag: 1662043049-567270 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 Thu, Sep 01, 2022 at 09:21:19AM +0200, David Hildenbrand wrote: > commit 4b471e8898c3 ("mm, thp: remove infrastructure for handling splitting > PMDs") didn't remove all details about the THP split requirements for > RCU GUP-fast. > > IPI broeadcasts on THP split are no longer required. > > Cc: Kirill A. Shutemov > Cc: Sasha Levin > Cc: Aneesh Kumar K.V > Cc: Vlastimil Babka > Cc: Jerome Marchand > Cc: Andrea Arcangeli > Cc: Hugh Dickins > Cc: Jason Gunthorpe > Cc: John Hubbard > Cc: Peter Xu > Cc: Yang Shi > Signed-off-by: David Hildenbrand Acked-by: Kirill A. Shutemov -- Kiryl Shutsemau / Kirill A. Shutemov