Re: fuse, get_user_pages, flush_anon_page, aliasing caches and all that again

[Arjan van de Ven <arjan@infradead.org>]

> So, given all this additional complexity _and_ that it would only be
> safe on non-preempt UP, the question becomes: is using get_user_pages()
> to access the current processes memory space legal?  Given the above,
> I would say not.

I'd say that copy_from_user is the right api for this, not
get_user_pages + kmap hacks...


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