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Howlett" , Lorenzo Stoakes , Lu Baolu , Nikunj A Dadhania , Pedro Falcato , "H. Peter Anvin" , Peter Zijlstra , Shakeel Butt , Steffen Dirkwinkel , 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, syzbot@syzkaller.appspotmail.com, x86@kernel.org Subject: Re: [PATCH v2 0/5] x86/mm/pat: CPA fixes Message-Id: <20260813101323.86405fa229aa6a80fdb53d63@linux-foundation.org> In-Reply-To: <20260813-cpa-fixes-v2-0-39b4ff90f91d@kernel.org> References: <20260813-cpa-fixes-v2-0-39b4ff90f91d@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: A7C2DA0004 X-Rspam-User: X-Stat-Signature: cae6rjixdo5bqbgkptfwd5hu83r5z8c3 X-Rspamd-Server: rspam06 X-HE-Tag: 1786641206-195703 X-HE-Meta: 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 AZ80A1Rg Ps7jinFTsgd5I5w1bLXQqNbImriy150wlvDQNT0MIZQy+2ubki1GDjyhjI4MtTqLTIW3SwI634mtOmMBQRTdw79Z3cpMUKmG3ZBPp3wLwjCuEuIhZzO2Szl/iXlwYnajficJ5wltsc3o8T6XUFlVRHp+n/7cDiH8RLn//9g9vrLMWGdoMWMSndiJlisKAjwNSmllNOJYHAEXUs2WK6EZBV+/nNqNLmHgpnJ0D9bcUeWBBS20tKROB1emT68zZqugDW0i+JjkGxMRTVP+A60TpHdjj+N5rKKM0E1Umi2KPmk/5IVqf5i8iC7vx/vgp15HvHUULVZrCzP92Taw0xZF1f5ly8vlAY7qz3o1NjsRDRybexY3ZLg2lEOrR/w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 13 Aug 2026 12:01:23 +0300 Mike Rapoport wrote: > Some of the fixes got merged into x86 tree, some of them got merged into mm > tree and some are still hanging in the air. I'm assuming/hoping that this whole series will be handled by the x86 team. I have retained three random pat patches in mm.git since July 23: x86-mm-pat-acquire-init_mm-write-lock-on-collapse-to-avoid-uaf.patch x86-mm-pat-acquire-init_mm-read-lock-on-attribute-change-to-avoid-uaf.patch x86-mm-pat-allocate-split-page-tables-as-kernel-page-tables.patch just to get them some testing exposure. But they're old. I've heard no reports since adding them. There's nothing more to be learned by keeping these in mm.git so I'll remove them now.