On Wed, Sep 18, 2024 at 09:18:43AM +0200, Linus Torvalds wrote: > On Tue, 17 Sept 2024 at 16:34, Boqun Feng <boqun.f...@gmail.com> wrote: > > > > This series introduces hazard pointers [1] to kernel space. A TL;DR > > description of hazard pointers is "a scalable refcounting mechanim > > with RCU-like API". More information can be found at [2]. > > Please give actual "this is useful for X, and here is an actual real > load with numbers showing why it matters".
Agreed. From the description this would seem like a good fit for q_usage_counter in the block layer, which currently makes creative use of percpu counters.
