linux-kernel - Re: Rust kernel policy

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Message-ID: <f9e01d23e0711c3a3ec17c251277c58ff8aa3657.camel@kernel.org>
Date: Wed, 19 Feb 2025 20:22:41 +0200
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>, Willy Tarreau <w@....eu>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>, James Bottomley	
 <James.Bottomley@...senPartnership.com>, "Martin K. Petersen"	
 <martin.petersen@...cle.com>, Dan Carpenter <dan.carpenter@...aro.org>, 
 Christoph Hellwig	 <hch@...radead.org>, Miguel Ojeda
 <miguel.ojeda.sandonis@...il.com>,  rust-for-linux
 <rust-for-linux@...r.kernel.org>, Linus Torvalds
 <torvalds@...ux-foundation.org>, Greg KH	 <gregkh@...uxfoundation.org>,
 David Airlie <airlied@...il.com>, 	linux-kernel@...r.kernel.org,
 ksummit@...ts.linux.dev
Subject: Re: Rust kernel policy

On Wed, 2025-02-19 at 11:33 -0500, Steven Rostedt wrote:
> 
> But we should be encouraging the use of:
> 
> 	scoped_guard(mutex)(&my_mutex) {
> 		/* Do the work needed for for my_mutex */
> 	}
> 
> Which does work out very well. And the fact that the code guarded by
> the
> mutex is now also indented, it makes it easier to review.

I just discovered this two days working while working on a new
V4L2 driver. They are a gem! Definitely will decorate most of
lock use with them for the RFC patch set.

Don't need must pitch with those tbh...

> 
> -- Steve
> 

BR, Jarkko