Re: [PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist

[Peter Zijlstra]

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?