Messages in this thread | | | Date | Thu, 14 Dec 2017 23:02:26 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 11/17] selftests/x86/ldt_gdt: Prepare for access bit forced |
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On Thu, Dec 14, 2017 at 01:48:50PM -0800, Linus Torvalds wrote: > Actually, just clearing PAGE_USER should make gup avoid it automatically.
_Should_ being the operative word, because I cannot currently see it DTRT. But maybe I'm missing the obvious -- I tend to do that at times.
We don't appear to have pte_bad() and pte_access_permitted() is currently all sorts of wrong.
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