linux-kernel - Re: [PATCH] tracepoint: Remove SRCU protection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20241004100411.GN18071@noisy.programming.kicks-ass.net>
Date: Fri, 4 Oct 2024 12:04:11 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
	Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH] tracepoint: Remove SRCU protection

On Thu, Oct 03, 2024 at 06:42:20PM -0400, Steven Rostedt wrote:
> From: Steven Rostedt <rostedt@...dmis.org>
> 
> With the removal of the trace_*_rcuidle() tracepoints, there is no reason
> to protect tracepoints with SRCU. The reason the SRCU protection was
> added, was because it can protect tracepoints when RCU is not "watching".
> Now that tracepoints are only used when RCU is watching, remove the SRCU
> protection. It just made things more complex and confusing anyway.
> 
> Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
> ---

Nice!

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>