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Date: Thu, 21 May 2020 11:03:43 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Christoph Hellwig <hch@....de> Cc: "the arch/x86 maintainers" <x86@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Masami Hiramatsu <mhiramat@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-parisc@...r.kernel.org, linux-um <linux-um@...ts.infradead.org>, Netdev <netdev@...r.kernel.org>, bpf@...r.kernel.org, Linux-MM <linux-mm@...ck.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: clean up and streamline probe_kernel_* and friends v4 On Thu, May 21, 2020 at 8:23 AM Christoph Hellwig <hch@....de> wrote: > > 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. I could not see anything to object to in this version. So Ack from me, but obviously I'm hoping others will try to read it through as well. Linus
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