Re: [PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist
Peter Zijlstra <[email protected]>
| Newsgroups | dev.linux.lists.lkmm,org.kernel.vger.linux-kernel,org.kernel.vger.netdev,org.kernel.vger.rcu |
|---|---|
| Message-ID | <[email protected]> |
On Tue, Jun 24, 2025 at 08:11:01PM -0700, Boqun Feng wrote: > + /* Need preemption disable for using shazptr. */ > + guard(preempt)(); > + > + /* Protect the list search with shazptr. */ > + guard(shazptr)(hash_head); OK, this is the end of the series, and so far every single user is doing both a preempt and a shazptr guard. Why can't we simplify this and have the shazptr guard imply preempt-disable?