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Open Source and information security mailing list archives
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Date: Wed, 6 May 2020 08:22:08 +0200 From: Christoph Hellwig <hch@....de> To: x86@...nel.org, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Masami Hiramatsu <mhiramat@...nel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org> Cc: linux-parisc@...r.kernel.org, linux-um@...ts.infradead.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: clean up and streamline probe_kernel_* and friends Hi all, this series start cleaning up the safe kernel and user memory probing helpers in mm/maccess.c, and then allows architectures to implement the kernel probing without overriding the address space limit and temporarily allowing access to user memory. It then switches x86 over to this new mechanism by reusing the unsafe_* uaccess logic.
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