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[2003:cb:c702:6100:f5c9:50a5:3310:d8ac]) by smtp.gmail.com with ESMTPSA id z7-20020a5d4407000000b002c5503a8d21sm1612137wrq.70.2023.03.03.01.12.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Mar 2023 01:12:47 -0800 (PST) Message-ID: <22681eea-fac6-9a51-df43-b5613b75bdaa@redhat.com> Date: Fri, 3 Mar 2023 10:12:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v1] mm/userfaultfd: propagate uffd-wp bit when PTE-mapping the huge zeropage To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport , Andrea Arcangeli , Peter Xu , Jerome Glisse , Shaohua Li References: <20230302175423.589164-1-david@redhat.com> <20230302175734.7be9da18e4724720a12a4b40@linux-foundation.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230302175734.7be9da18e4724720a12a4b40@linux-foundation.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: A81E314001D X-Rspam-User: X-Stat-Signature: 49bbf69bseb6gpqfk9hen5xzamnurcey X-HE-Tag: 1677834770-300959 X-HE-Meta: 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 HoI7cYCE jWu90Ictf9YpYCZT/rZp9DBdBmoWg/qfvDxtO0YeR79d8sgZJIKCU8k/yO1gDGJ/phzOWscebA+LGHUVnILyDQFXt7i5oGD3oOKF3qAygGwa0IddJDqbxA0Imb+GcI6ZSbyIxaatxRUg99TL6xmAe/GbqEJ8rI8qAU/Ebs7CXpNIC19UDz+OPstAwqPD4xHdUtwBpL6OWKQgVBCuTakhexMX5/d5wNwRqQiUlEDWmnf2kyAQsX3Lb6lLnbzrPbEri62erYDQbSG6YBYDLXHArxJ/ikFT/Z8k9NeJ5YpYdSuLirbv7u+uKzF3TCBEIaeAZVdOgJUzzT0AmLEZbLqpe2DIgU3cAlXtt4Gats0+jswfxlUKI3isI5lX0BoJomv/18duhci55mXpuiQBafDq50rF9Q3RDQ6qDhhpXl0gjH/KuwYapGhsqnBppDd99jXOup9EVApG/QOj1QZHrgsqvtcnkIw== 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: >> Fixes: e06f1e1dd499 ("userfaultfd: wp: enabled write protection in userfaultfd API") >> Cc: Andrew Morton >> Cc: Mike Rapoport >> Cc: Andrea Arcangeli >> Cc: Peter Xu >> Cc: Jerome Glisse >> Cc: Shaohua Li >> Signed-off-by: David Hildenbrand > > Do you agree that a -stable backport is appropriate? Yes, actually I wanted to include the tag but somehow I dropped it. Thanks! -- Thanks, David / dhildenb