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smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 432B41F00A3A; Tue, 8 Sep 2026 15:17:44 +0000 (UTC) Message-ID: <5394f2d7-03e2-4aeb-a5da-60a0368340d9@kernel.org> Date: Tue, 8 Sep 2026 17:17:12 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [tip: x86/urgent] x86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF Content-Language: en-US To: Dave Hansen , Mike Rapoport 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 References: <20260813-cpa-fixes-v2-1-39b4ff90f91d@kernel.org> <178821524784.3717435.3293914321834699913.tip-bot2@tip-bot2> <7fe0aee9-d1e9-419c-9ca6-c0160223d5dc@intel.com> <54f55b19-4a42-4c5d-a6ec-979132e11ece@intel.com> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/8/26 15:58, Dave Hansen wrote: > On 9/8/26 02:32, Mike Rapoport wrote: >> I have to say I'm confused with today's batch of tip-bot emails saying Ingo >> applied these to x86/mm :/ > > Just a reminder that we have x86/urgent which will be going to Linus > like today. There's also x86/mm which goes up in the next merge window.. However x86/urgent (at least as visible [1]) doesn't contain anything from this series, and x86/mm has everything except "Fix effective RW computation". But tip/urgent does merge x86/mm so hopefully it means it's really going to Linus now-ish (and not next merge window)? It just doesn't have "urgent" in the branch name? > The "Fix effective RW computation" patch is getting broken out and is > going to wait for the next merge window. We don't want it sitting in > mainline generating warnings, especially false positives like the one > this weekend. That's not to disparage the patch; it's overall the right > thing to do. So that means adding it to x86/mm after the current one is sent as urgent? Just wanted to double check, thanks. Vlastimil [1] https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/ > Sound good?