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AJvYcCVruXQXyFa8X//OG2b+qVOml0+xxQTF80qAzrqnEm/kxxCNoGExH0ypBndMs6EG5Y3BT/E33s68vg==@kvack.org X-Gm-Message-State: AOJu0YwShZHbUWrafNQpTKk1Vs/b3poWoHAUnmzYmRCVlfgM0VxFRZ4w HjztlQGdHm5mP+VBNxbSy84N5YX+YTHjnDXJTC5qUYvZky9cXwSqfksncl+9NZdc59jJ57wZ7Vn YZkWCc8QThzLLNIs+RWTaKQdp/nkLuNc= X-Gm-Gg: ASbGncux2lD2lwQi7vyi1t1tm1mM5lyIEYhj4gK57WJqeHlS/T+lXlKBrwgk/D9h2tP vJzpA5QmHBtxXF1zkGD5CF4V4AHDmNCnT6iZKGa8BQRW4P2CjJfAPBps0ULb3JRW8JXDXAZRvpF cdTPILoIle06FxG/LfOCTRlvDYMItVu+h6bvik1VZtxupdje6d5Yqwue0E0YdDU1X4xaSdfSpAj UctjoOGCf02wKfbZfA= X-Google-Smtp-Source: AGHT+IETXcCyuhskt8NfiuIvMZk4HNrRqt02JjM5fpQLtTPCEi8+CDkXKLs0cMppBKfL27M9u+6qWLgrHDP5cvo0P64= X-Received: by 2002:a05:600c:35d3:b0:45d:98be:ee8e with SMTP id 5b1f17b1804b1-45ded05bcd0mr4878465e9.1.1757362766098; Mon, 08 Sep 2025 13:19:26 -0700 (PDT) MIME-Version: 1.0 References: <3339d11e69c9127108fe8ef80a069b7b3bb07175.1756151769.git.maciej.wieczor-retman@intel.com> <2xfriqqibrl7pwvcn6f2zwfjromyuvlxas744vpqrn2jthbzu6@nrhlxafjpfnr> In-Reply-To: <2xfriqqibrl7pwvcn6f2zwfjromyuvlxas744vpqrn2jthbzu6@nrhlxafjpfnr> From: Andrey Konovalov Date: Mon, 8 Sep 2025 22:19:15 +0200 X-Gm-Features: AS18NWDjLBMTDDx-3GcgskVrIFrWTkldm4ARgshAhph95s8X05Rv1arvNW2pjfU Message-ID: Subject: Re: [PATCH v5 18/19] mm: Unpoison vms[area] addresses with a common tag To: Maciej Wieczor-Retman Cc: sohil.mehta@intel.com, baohua@kernel.org, david@redhat.com, kbingham@kernel.org, weixugc@google.com, Liam.Howlett@oracle.com, alexandre.chartre@oracle.com, kas@kernel.org, mark.rutland@arm.com, trintaeoitogc@gmail.com, axelrasmussen@google.com, yuanchu@google.com, joey.gouly@arm.com, samitolvanen@google.com, joel.granados@kernel.org, graf@amazon.com, vincenzo.frascino@arm.com, kees@kernel.org, ardb@kernel.org, thiago.bauermann@linaro.org, glider@google.com, thuth@redhat.com, kuan-ying.lee@canonical.com, pasha.tatashin@soleen.com, nick.desaulniers+lkml@gmail.com, vbabka@suse.cz, kaleshsingh@google.com, justinstitt@google.com, catalin.marinas@arm.com, alexander.shishkin@linux.intel.com, samuel.holland@sifive.com, dave.hansen@linux.intel.com, corbet@lwn.net, xin@zytor.com, dvyukov@google.com, tglx@linutronix.de, scott@os.amperecomputing.com, jason.andryuk@amd.com, morbo@google.com, nathan@kernel.org, lorenzo.stoakes@oracle.com, mingo@redhat.com, brgerst@gmail.com, kristina.martsenko@arm.com, bigeasy@linutronix.de, luto@kernel.org, jgross@suse.com, jpoimboe@kernel.org, urezki@gmail.com, mhocko@suse.com, ada.coupriediaz@arm.com, hpa@zytor.com, leitao@debian.org, peterz@infradead.org, wangkefeng.wang@huawei.com, surenb@google.com, ziy@nvidia.com, smostafa@google.com, ryabinin.a.a@gmail.com, ubizjak@gmail.com, jbohac@suse.cz, broonie@kernel.org, akpm@linux-foundation.org, guoweikang.kernel@gmail.com, rppt@kernel.org, pcc@google.com, jan.kiszka@siemens.com, nicolas.schier@linux.dev, will@kernel.org, jhubbard@nvidia.com, bp@alien8.de, x86@kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, llvm@lists.linux.dev, linux-kbuild@vger.kernel.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: DCD2B18000A X-Stat-Signature: trg6n4tn5a18jo5rtf3sjnjfbjy9jx8i X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1757362767-173500 X-HE-Meta: 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 0CPNOMUs KxCqYGXDcgDUa+73+AKIZsaUmi3PutvWEETUcHQ79pHu3563BdNOw52EQWeEWMCmd168pG2abJaliZ6IwcFLtSQ2ynzBAjC8LS2KxOD+VjXc/YKyALowz2o/yRMc15Gg54OPAlvyn+KVFAY2yadUYixu9TCLVJtbj5z9DZ0FplaQ2+zLa4NZ3ldvi64GrD3byf30CJ8ByuzmpRSY7PO3MEd5mBiJZ4/MCgem6ZgAqFSTpFcP7Pv951NhODJcw6wwU+bu1QPMW5+3HWF43rusWYLB8/kNsd0ecjXIltHDp/Gr8Cpg/l+cilqAqArFHpRrmjfVNSWcROjWQFum0vIpXi5hT+DqRKgTXMS/Y9+XgA8mT78le6oJF8Z+D/rstO9VGuNNGnUVoq/kcqzhtOogVUZTtC4GQ1EL1C7fMEy8MkilQqfwBDTn+9CpTu+IFMB2Gasfo/ImxsMWOkwc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 8, 2025 at 3:12=E2=80=AFPM Maciej Wieczor-Retman wrote: > > >Do we need this fix for the HW_TAGS mode too? > > Oh, I suppose it could also affect the hardware mode since this is relate= d to > tagged pointers and NUMA nodes. I'll try to also make it work for HW_TAGS= . Ack. I suspect you won't need to provide two separate implementations for this then. Also, could you split out this fix into a separate patch with the Fixes and CC stable tags (or put the fix first in the series)?