On Tue, Jun 27, 2017 at 6:26 AM, Jens Axboe <axboe@xxxxxxxxx> wrote: > On 06/27/2017 05:39 AM, Elena Reshetova wrote: >> Changes in v3: >> No changes in patches apart from trivial rebases, but now by >> default refcount_t = atomic_t and uses all atomic standard operations >> unless CONFIG_REFCOUNT_FULL is enabled. This is a compromize for the >> systems that are critical on performance and cannot accept even >> slight delay on the refcounter operations. > > Is that true in 4.12-rc, or is that true in a later release once > Linus has pulled those changes in? If the latter, please resend > this when those changes are in, thanks. It's in -next currently ("locking/refcount: Create unchecked atomic_t implementation") -Kees -- Kees Cook Pixel Security