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Howlett" , Vlastimil Babka , Jann Horn , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Peter Xu Subject: Re: [PATCH hotfix 6.12 0/8] fix error handling in mmap_region() and refactor Message-Id: <20241023032547.1c73092187c85782bd9bd3c6@linux-foundation.org> In-Reply-To: <20241023032236.c7a4f842b7a71c0e492bf322@linux-foundation.org> References: <20241023032236.c7a4f842b7a71c0e492bf322@linux-foundation.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-Server: rspam06 X-Rspamd-Queue-Id: B017714000F X-Stat-Signature: 7ri8mm35ononbhqbpan3wfag97d49dis X-Rspam-User: X-HE-Tag: 1729679136-93415 X-HE-Meta: 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 J/5TSiOZ zLg9GL2YLt8yFWijKBzcOJDnERhOBBDe2ty9Vz87ZjrdpMu06yj/m4bC+JK/vqpvDokHuYjD4z04BWzyOCS+dybXo1aLoqW9sjcxyf5FJpZ3Wg24fQ1oe6KzOat28oOFmVKEPErvm58YyAircvrOmr2dkms1LYXRiyapCUMczhK+vuumowu85owCavSol2VayGpepnc+MklUlCRF0+UDiY/vBPLzfkvR3IJWje8Tah2PaOmUpypOa1vYWpJMo/4/P3GlsUwklq5Hz2ztkbmZ0BSuSx8az30wrZDJv95QaDtSfbY6UUSp+pbxA2xA/u6SAfzTwk6Rqa3KYFIsjSZs+wMLtXqJS6ZKadKEEWutZK8OkQigmWK1xXZ0xTxxa0oads1pPAfkWnkX44ZyT6OI5PXFfkg== 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 Wed, 23 Oct 2024 03:22:36 -0700 Andrew Morton wrote: > On Tue, 22 Oct 2024 21:40:51 +0100 Lorenzo Stoakes wrote: > > > After this we go further, refactoring the code, placing it in mm/vma.c in > > order to make it eventually userland testable, and significantly > > simplifying the logic to avoid this issue arising in future. > > I'm not sure that patches 4-8 are strictly 6.12 material. What's the > thinking here? > A downside to merging all 8 patches into 6.12-rcX is that when -stable takes patches 1-4, they will have had negligible testing without the presence of patches 5-8. Patches 5-8 might accidentally fix something..