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 2114AC5B572 for ; Wed, 12 Aug 2026 15:15:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C7A166B02B2; Wed, 12 Aug 2026 11:15:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BFC446B02B3; Wed, 12 Aug 2026 11:15:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AEB6D6B02B4; Wed, 12 Aug 2026 11:15:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 873A86B02B2 for ; Wed, 12 Aug 2026 11:15:55 -0400 (EDT) Received: from smtpin16.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 02F114043B for ; Wed, 12 Aug 2026 15:15:54 +0000 (UTC) X-FDA: 85092967470.16.92DB6CE Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf17.hostedemail.com (Postfix) with ESMTP id 62DF140006 for ; Wed, 12 Aug 2026 15:15:53 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=GHTlujo+; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1786547753; b=XhPTd66CnlTgbK/9jsyfc4EhP0VukMQ9IqfqihwbMhhspPgYWWIptoTKyK2h2M6YARQRfj G1pw7GG9FYeN2ytEIoGa7+GVmRtbnhT9HZV4eRZViQojbmulu80rSUKxqcAEDe9JB2AkI/ J24cdbEv5TQSDcHCDssxC1OVzIwUiPA= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=GHTlujo+; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1786547753; 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=lPh6g5iGS2WA0/mUV2gpwWeFGaucRmMGFZUtCeA+ObU=; b=B6X7ju7vSurVL+Gzw/VepH6xUsC+zTjShjXhtca651Sh3hMDtVAf8iBd+NbhMvl3jbP7+z SMWvc0V6mwYzAQobaCwz9coWhgUhyFW97oAO2ZXC0k0xn3RXXNvOU24TSlebyC13rBq+hV LJdzdr+5T27Uvt+uXEK+sKlb0PEJzaQ= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id C549860A92; Wed, 12 Aug 2026 15:15:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 008BC1F00A3F; Wed, 12 Aug 2026 15:15:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786547752; bh=lPh6g5iGS2WA0/mUV2gpwWeFGaucRmMGFZUtCeA+ObU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GHTlujo+BUk2vYYvApA/At9WHYcS7dfyrj1YiE1mvYOM7GM0fv23hslpd7x1OO8zW wTiQCxVEmf4xbV71gl4VNve+a7mhG/wg0AINZVJXshFlDjvmkd9MAkiovyCwP9t1pQ LJJA1rhMImJXrBZlq1rB4HpGE95EW4qEtsNz0sYSOFTqIitPsQ5ciVrMRDStX8R1SE 8OE1obJb4jSajGyZFxSFFb4XuoeATEsGJuHDk9oGTFuJigl6RK6KQjEwgd741BzNKT 2XtVNk/hM7PldF3d6neux8mWAC6PtobkW+ahB1meoeN5bCJzI8qbSDbKHiRzym6Rj6 Tpn9tyLCEaajw== Date: Wed, 12 Aug 2026 18:15:41 +0300 From: Mike Rapoport To: Pedro Falcato Cc: "Lorenzo Stoakes (ARM)" , 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-Rspamd-Queue-Id: 62DF140006 X-Rspamd-Server: rspam10 X-Rspam-User: X-Stat-Signature: zicp3jpjxmtkwg5d7dmdxmnx8rge7n16 X-HE-Tag: 1786547753-518117 X-HE-Meta: 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 MORpwJrT zq+Joz24pEmHdBe018M6LLXdAltGPhwNFoJh3vPKNamfVHdblppM70W6yzzNirwInJL+/VQrfwDzdQ2uv1P21ylFpnx3w4P1bGZBUCcmCyqBdRpp2ZWpXy7FmqCa409qhtZLDPbCajbjt4tQhdxTY1vTWIRYUIkmD2yL2hWwHst0mtdfrSpup95AqLdc+IHpVfYdIqo0tiPXjHuxUP1achoZTQh41Mv+Hy/kK5zt86vJsL8kS9NuP2ULKcV1en3J0Fqfm/N62ieHaGV5DRs1jnRN2+xWIScDNQVYhkwqrwvbJMMsx7xCJhvMGkzWMyRd9S43FMMrX1DX+xO4jVqHqtlWVIlxrsDq1VLB4zh3lpAzQNCGW0/d3vo32NQ== 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 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. > -- > Pedro -- Sincerely yours, Mike.