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[2003:cb:c709:b200:f007:5a26:32e7:8ef5]) by smtp.gmail.com with ESMTPSA id z3sm10170246wmp.42.2022.01.31.06.27.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Jan 2022 06:27:03 -0800 (PST) Message-ID: <2858cfa9-2329-6da9-82b8-643f29d548e6@redhat.com> Date: Mon, 31 Jan 2022 15:27:02 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH 4/4] usercopy: Remove HARDENED_USERCOPY_PAGESPAN To: "Matthew Wilcox (Oracle)" , Kees Cook Cc: linux-mm@kvack.org, linux-hardening@vger.kernel.org References: <20220110231530.665970-1-willy@infradead.org> <20220110231530.665970-5-willy@infradead.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20220110231530.665970-5-willy@infradead.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: AA29A40007 X-Stat-Signature: d4mxn5r58urxex7tmiapjsk1hj8we1uo X-Rspam-User: nil Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=ewwuqYWZ; spf=none (imf17.hostedemail.com: domain of david@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-HE-Tag: 1643639227-984325 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: On 11.01.22 00:15, Matthew Wilcox (Oracle) wrote: > There isn't enough information to make this a useful check any more; > the useful parts of it were moved in earlier patches, so remove this > set of checks now. > > Signed-off-by: Matthew Wilcox (Oracle) Very nice cleanup IMHO Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb