Re: [kernel-hardening] Re: [RFC v4 PATCH 00/13] HARDENED_ATOMIC

[Thomas Gleixner]

On Fri, 11 Nov 2016, Peter Zijlstra wrote:
> A wee bit like so...
> +
> +static inline bool refcount_sub_and_test(int i, refcount_t *r)

Why would we want to expose that at all? refcount_inc() and
refcount_dec_and_test() is what is required for refcounting.

I know there are a few users of kref_sub() in tree, but that's all
undocumented voodoo, which should not be proliferated.

Thanks,

	tglx