From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15A7F51FCB9; Tue, 8 Sep 2026 09:32:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788859948; cv=none; b=XpkxtBEwxQLa7i1JVWvwm+0+dbbLaYjx3NGhG1PnDt3g7P/IXyf1mhxJo8Op6Qsv4+oPA2KHXO5DBUN1WUyUecqlnQVg+SjDWcE0rqWmfOhMjmdm2RdGNWV241LVCvwe2sXORbDnIHS+u5grEyzPnTHpHFT7nJPFABCU2umnghc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788859948; c=relaxed/simple; bh=aXZvy3t5uEmnoTvZI22dGtDuapgAEzI1/ZtKnYO7O2c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Uw+SZJ3/jQXoiZ34n80MzIyq2i2pGeu4QEzS3GAeSct5oN3TmYiAH2VdJHWMR2iupqxB+1Zjkid69BmI1iKp2T3YCBUuhtMKT5qISe06+CA8tyIchwqN4/7sqd5UGxNFb9K7LohfRL8a5BWzWexYOiubPsSex468J4rraTlX3uk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lSQPSuWY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lSQPSuWY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E16A01F00A3D; Tue, 8 Sep 2026 09:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788859945; bh=3rW2QrII8kDl2LLF5p7w/fphoAuD2u5vYHuEBkn+8Cw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lSQPSuWYgaWWTy6N7eYpTL48oaGXBzfFCXMy2PE4WLlCIlvHdPtoa+f7/KxiTQu3Q 2xdlb2EKSzUWGZrFmbk7PYKpNPFkqgjOsflqikUNG2EmCraMZG3ZUG5M6i8BY/rSs8 cVO6X8E+ym0Ey7f7vQdSTw6WjCm65Ubz+wMzisoFZiGcUEccwhDUHqKoL8eZ8AOw4T e9vrDSDzv/9WUGMYfyZrFZhzBC68JxpwKFwoCJQV1boRLMK+AWhN0Evt1OZGN3UxVD rP1dm1XpXnUfCIl1LaEyEZUCFqiCA2FoeysN1FbWLrWlYqd135hvf4of08sIZkfUf+ BgH+L8WyjuzFw== Date: Tue, 8 Sep 2026 12:32:17 +0300 From: Mike Rapoport To: Dave Hansen Cc: "Lorenzo Stoakes (ARM)" , Dave Hansen , linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, Jiri Slaby , "Kiryl Shutsemau (Meta)" , "David Hildenbrand (Arm)" , Will Deacon , David Carlier , Atish Patra , Nikunj A Dadhania , stable@vger.kernel.org, x86@kernel.org, Ingo Molnar Subject: Re: [tip: x86/urgent] x86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF Message-ID: References: <20260813-cpa-fixes-v2-1-39b4ff90f91d@kernel.org> <178821524784.3717435.3293914321834699913.tip-bot2@tip-bot2> <7fe0aee9-d1e9-419c-9ca6-c0160223d5dc@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7fe0aee9-d1e9-419c-9ca6-c0160223d5dc@intel.com> On Tue, Sep 01, 2026 at 04:36:38PM -0700, Dave Hansen wrote: > On 9/1/26 00:10, Lorenzo Stoakes (ARM) wrote: > > Dave - you've somehow applied this patch completely incorrectly to x86/urgent, > > I'm not happy with this going to Linus in this form :/ > > Me neither, btw. > > So, here it is applied: > > > https://git.kernel.org/pub/scm/linux/kernel/git/daveh/devel.git/log/?h=cpa1 > > The diffstat exactly matches the mbox that I sucked in. I'm going to > launch some tests overnight. > > The only things I really munged were a little merge issue with patch 1, > a SoB ordering issue in patch 3, and a few scattered rewordings in the > commit messages. > > Not pushed to x86/urgent, yet. I have to say I'm confused with today's batch of tip-bot emails saying Ingo applied these to x86/mm :/ -- Sincerely yours, Mike.