linux-kernel - Re: [PATCH v2 04/10] rust: add rcu abstraction

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Date: Thu, 20 Jun 2024 16:32:09 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Danilo Krummrich <dakr@...hat.com>
Cc: rafael@...nel.org, bhelgaas@...gle.com, ojeda@...nel.org,
	alex.gaynor@...il.com, wedsonaf@...il.com, boqun.feng@...il.com,
	gary@...yguo.net, bjorn3_gh@...tonmail.com, benno.lossin@...ton.me,
	a.hindborg@...sung.com, aliceryhl@...gle.com, airlied@...il.com,
	fujita.tomonori@...il.com, lina@...hilina.net, pstanner@...hat.com,
	ajanulgu@...hat.com, lyude@...hat.com, robh@...nel.org,
	daniel.almeida@...labora.com, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v2 04/10] rust: add rcu abstraction

On Wed, Jun 19, 2024 at 01:39:50AM +0200, Danilo Krummrich wrote:
> From: Wedson Almeida Filho <wedsonaf@...il.com>
> 
> Add a simple abstraction to guard critical code sections with an rcu
> read lock.

Why?  Why not add this when we have code that actually needs it?

The driver model sure doesn't :)

thanks,

greg k-h