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Shutemov" , Borislav Petkov , Andrew Morton Cc: Dave Hansen , Vlastimil Babka , Mike Rapoport , Lorenzo Stoakes , Tom Lendacky , Baoquan He , Vivek Goyal , Dave Young , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, kexec@lists.infradead.org Subject: [PATCH 0/3] Do not map unaccepted memory Date: Wed, 6 Sep 2023 10:38:59 +0300 Message-Id: <20230906073902.4229-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 02C4E10001D X-Stat-Signature: uifskynoxrmr95w4thxp46swkp8gyrsr X-Rspam-User: X-HE-Tag: 1693985961-399511 X-HE-Meta: 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 pwF5ZAkh l4z3CfwDuk4Enjk3IwQDSzl3+0t8Hry383q55TJ25YpjJKqWFv+xhmvdBeAUmNaBPjl0Pb9rHm0a5zNOvHKJpqMjB9b4a9DAwskJAkplfKP1KJWdTFt2ceLlBmGY3uHSCVnmtkBKcownjC01vB1BGfFRjL05cc2VkveMLJa2F6WPuWyDh2yrFfzTSTSGHHVO838Nk 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: Hi Support for unaccepted memory was added recently, refer commit dcdfdd40fa82 ("mm: Add support for unaccepted memory"), whereby a virtual machine may need to accept memory before it can be used. Plug a few gaps where RAM is exposed without checking if it is unaccepted memory. Adrian Hunter (3): proc/vmcore: Do not map unaccepted memory proc/kcore: Do not map unaccepted memory /dev/mem: Do not map unaccepted memory drivers/char/mem.c | 9 +++++++-- fs/proc/kcore.c | 10 +++++++++- fs/proc/vmcore.c | 15 ++++++++++++--- 3 files changed, 28 insertions(+), 6 deletions(-) Regards Adrian