Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 20 Sep 2016 16:43:18 -0700 | Subject | Re: [PATCH] fix fault_in_multipages_...() on architectures with no-op access_ok() |
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[ Sorry, AFK there for a while ]
On Tue, Sep 20, 2016 at 2:03 PM, Al Viro <viro@zeniv.linux.org.uk> wrote: > > What proper mappings? If you manage to mmap something at (void*)-PAGE_SIZE, > you are very deep in trouble regardless. We use IS_ERR() on userland > pointers and any architecture where that would be possible would be confused > as hell.
Ack, you've convinced me. Will apply the patch.
Linus
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