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[80.230.85.71]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47563d195a7sm2001293f8f.7.2026.06.29.16.29.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 16:30:02 -0700 (PDT) Date: Mon, 29 Jun 2026 19:29:58 -0400 From: "Michael S. Tsirkin" To: "David Hildenbrand (Arm)" Cc: linux-kernel@vger.kernel.org, Miaohe Lin , Naoya Horiguchi , Andrew Morton , Oscar Salvador , Andi Kleen , Hidehiro Kawai , Rik van Riel , Vlastimil Babka , Lorenzo Stoakes , "Liam R. Howlett" , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo , Hao Li , Kiryl Shutsemau , Byungchul Park , linux-mm@kvack.org, linux-cxl@vger.kernel.org Subject: Re: [PATCH 0/2] mm: memory-failure: fix HWPoison flag race with non-atomic page flag ops Message-ID: <20260629192811-mutt-send-email-mst@kernel.org> References: <0b5f8b4b-d7dc-4b79-9555-a5b36265f3a9@kernel.org> <20260629030657-mutt-send-email-mst@kernel.org> <4f5ba5d6-246c-4430-9737-e8dd8e4c5142@kernel.org> MIME-Version: 1.0 In-Reply-To: <4f5ba5d6-246c-4430-9737-e8dd8e4c5142@kernel.org> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 9Ix3ql0IP6MqrPZ8qszA8e60cVC78XNldrayzGgCBN0_1782775804 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 951E71A0002 X-Stat-Signature: m7cne41xqyczicrtebpgsymz4p5f4e9x X-HE-Tag: 1782775809-138291 X-HE-Meta: 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 yXznkAqt MeM9h5Ch7TT0oFyY+AOlb0VBIIIGXD3ftY8on7k/YqLsdbEWSbrssLOm6Ru3zxG5Mm+HM4xe2c1KiiHhWu2A5nspxo1SvqcvHFBeCqYWWcikVDcz6h48exuJg2epy5tUiwoSTRDb/O7Bmom2lsC7AB65po/m3Bm2BSlBIvAX7p3nAPPNGHTxJpVmwbD4UZDE3uyzFs3COIAsMY9qBETbwAH8zjto2t7BHSl3r2ACBrFbpJdDb14TMrqgNN498uKfYyg56BT0HfCZoEGl+7QXP0/MPOeg2CnE3PVx0GoHBJF/4hzcMh1jgmHDgPDfdHqcgaJVBo0PC2BUJQxtcSMrKB3JNjRGHpnkwjcpyQaHWSW8N12+k25eD9PXzCWn1lpazpJrxvAs3oM2yTzTRGjnDT+69sq/WOgM+OgpQ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jun 29, 2026 at 03:05:18PM +0200, David Hildenbrand (Arm) wrote: > It would be good to coordinate here. Case in point, do you feel this should be blocking the zeroing/page reporting work (which adds more non atomic RMWs), or I can work more on that putting this aside? -- MST