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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5E87BC5B572 for ; Wed, 12 Aug 2026 15:43:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id ACE176B014C; Wed, 12 Aug 2026 11:43:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AA6A16B014E; Wed, 12 Aug 2026 11:43:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BF026B0150; Wed, 12 Aug 2026 11:43:11 -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 75FA06B014C for ; Wed, 12 Aug 2026 11:43:11 -0400 (EDT) Received: from smtpin22.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay10.hostedemail.com (Postfix) with ESMTP id EAD63C03FB for ; Wed, 12 Aug 2026 15:43:10 +0000 (UTC) X-FDA: 85093036140.22.AF86422 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf22.hostedemail.com (Postfix) with ESMTP id 5487FC000E for ; Wed, 12 Aug 2026 15:43:09 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=fufXIEYc; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf22.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1786549389; 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=SH2IG96p/hOxc9SLkk6aVEywXxuFDmbXLKwtNkWmoN8=; b=A4EeT2VTWxZMxnrAOETPj9arr/u1hmeBVADPU3CFLklXin4TFs4balH3Eess0t8EvcIvDS /QPhf9gFpQoTJXL97ODiiX2P7TStuGicALlk6C6NZtM+rweRcDXeWR22xLmovIaX0pmKCV CaPUYiwrA1gHFFOJkMnn/GRPgkz2juE= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=fufXIEYc; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf22.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1786549389; b=6aiSdE7kugkux1VmDb/eVc5GObHMVZqL+pfmpCqKIx64WGUmLzIu1C9N7ZQHEWAbpLPmYL 86JTiSHO+I7CXVqUWWMJg10CjLBQDri3nj/5RATxS7U1hN6WWXda5km1RZinq9A51L+gRS L/WEYmGyxjGWSG1EwmLpkZTI+P4Yjlw= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 49497405C0; Wed, 12 Aug 2026 15:43:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D4931F000E9; Wed, 12 Aug 2026 15:43:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786549388; bh=SH2IG96p/hOxc9SLkk6aVEywXxuFDmbXLKwtNkWmoN8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=fufXIEYcOCk7YFdVicoPopDzl8wzocwZ2EjRi2VL5jySYt2sM6bAvIkk2USQiGyv6 bFTWZAOZL6b1qLTF0oIgHVtJh9e0XefpYACXv2k3cAAoRAJyKj8xk+x5US3k52E+ic Ht/dHNMv92t9saJSHSqLLjWksucgUSNjan04csD2GLBawVcFh+oAAJuXFVt/sKDPgE JFAtBUCbiVIXTbRbm11cghXms3QnAAR3bEUNGgzdmX2Nd+X493/dXPqiIM0z5hRthE nwDltJFtZKB9f0ermYAXl7IilzdxDjzxlWct+ohIVz0CLq/gdxq4dPqDcF0xCApos8 RkRzccYduCbOQ== Date: Wed, 12 Aug 2026 16:42:45 +0100 From: "Lorenzo Stoakes (ARM)" To: Mike Rapoport Cc: Pedro Falcato , Steffen Dirkwinkel , Dave Hansen , "Denis V. Lunev" , Andrew Morton , Andy Lutomirski , Borislav Petkov , David CARLIER , David Hildenbrand , Ingo Molnar , Jason Gunthorpe , Juergen Gross , Kevin Tian , Kiryl Shutsemau , "Liam R. Howlett" , Lu Baolu , "H. Peter Anvin" , Peter Zijlstra , Shakeel Butt , Suren Baghdasaryan , Thomas Gleixner , Toshi Kani , Vishal Moola , Vlastimil Babka , Will Deacon , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org, x86@kernel.org, syzbot@syzkaller.appspotmail.com, Jiri Slaby Subject: Re: [PATCH 0/5] x86/mm/pat: CPA fixes Message-ID: References: <20260728-cpa-fixes-v1-0-2ed2352300b3@kernel.org> <555ea1d43a12c30a8f1eaf10c899b3790d728f33.camel@dirkwinkel.cc> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Queue-Id: 5487FC000E X-Rspamd-Server: rspam07 X-Stat-Signature: ggra3jwbrtz66iy1kj3umwepasdienjd X-HE-Tag: 1786549389-386290 X-HE-Meta: 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 AtpfINKC 4/n44q4m7beslaqMM5CmPjIdYr4OFk+bVEkkarj30Orkc2aKyejsZhbe7+vrIGi5yosJ2qHnEEtU4a0iYmVPNdCR9e5JlEohqW507Thbn6vyuVAZTl9NY3GUQ96/gupMoqvJde9I7SHRzUY3xfYwLQgwM3NlEoAHrV2RUgYkBOE3ql3dBGW13T6JyxxKnO3DpZi9mF7zL0rOWc8eOtvinf5pU2fpiSzxA4+V+qOPqZyeInefI/BCaYbcuPITN5X+M7p6T4KO30yUbl2WmKHa5jrvSoo40MC9S+yu1NYqqF+EtS7mCYwaeilgfKtZmfI5Y3YsEafZh/zDo4uGj1FYPTNF2S4A3Vuqs+qrJO0WPFQyBBXihw0gfKSYORA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Aug 12, 2026 at 06:15:41PM +0300, Mike Rapoport wrote: > On Wed, Aug 12, 2026 at 12:46:09PM +0100, Pedro Falcato wrote: > Just Hold the mmap lock on callers, but it becomes messy quite quickly) > > > > Mike, if you get to queue up my patch then please replace the diff with > > Lorenzo's (with a Co-developed-by:, I guess, since he went to the trouble > > of moving quite a few things around). Otherwise, I'll figure out how to > > re-submit it after your series lands. > > I moved some things around as well and here's what I've got: > > https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/log/?h=cpa-fixes > > Build tested only for now. Had a brief look, all LGTM, send it :>) > > > -- > > Pedro > > -- > Sincerely yours, > Mike. -- Cheers, Lorenzo