Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 12 Dec 2023 16:39:31 -0800 | Subject | Re: [RFC PATCH v3 11/11] mseal:add documentation |
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On Tue, 12 Dec 2023 at 15:17, <jeffxu@chromium.org> wrote: > + > +**types**: bit mask to specify the sealing types, they are:
I really want a real-life use-case for more than one bit of "don't modify".
IOW, when would you *ever* say "seal this area, but MADV_DONTNEED is ok"?
Or when would you *ever* say "seal this area, but mprotect()" is ok.
IOW, I want to know why we don't just do the BSD immutable thing, and why we need this multi-level sealing thing.
Linus
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