Messages in this thread | | | Date | Sat, 2 May 2020 08:23:51 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 2/2] exec: open code copy_string_kernel |
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On Fri, May 01, 2020 at 11:04:49PM +0100, Al Viro wrote: > Long story - basically, it's been a source of massive headache too many times. > No formal project, but there are several people (me, Arnd, Christoph) who'd > been reducing its use. For more than a decade now, I think... > > FWIW, I doubt that it will be entirely killable; Christoph appears to be > more optimistic. In any case, its use has been greatly reduced and having > it narrowed down to even fewer places would be a good thing. > > In the same direction: use_mm()/unuse_mm() regularization wrt set_fs(), getting > rid of it in coredump code, some movements towards killing ioctl_by_bdev(); > not sure if I've spotted everything - Christoph?
That's the big current projects out in the wild. I have a few more growing.
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