From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FA552AEF5; Thu, 17 Jul 2025 20:38:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752784721; cv=none; b=Px5ftW6JQn6CYoPHc50JA/MSQ/tyiTL9JSEVA8rvfRATkI6NNlDIyrvAgzZf12aHblnK/ZdqiZQ69AJyOfd9P/62KptG8NTdy4Qp+zKUoEuYa2khM/Qnk8bSs3t3HrmAX7U0AWhYqz8B8irZ9PPoJ/kiwuaJ3jerq3VmAZMDLUg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752784721; c=relaxed/simple; bh=7GyQUocLfLcFj7HM0l9V/mer49iHPDl7xAtCMgjYXr0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hBHxxSMyqstoSIGqq5i/pCJ+ipPP/qxW7Vm9j06Sulx+OXOKKIUDVwPJyuTygZqEG99s1OM9upmjFvD3CNtt9kJjJvrL6B3vxr6T8j9ZsYDMRVKL/IlJoSdg8S6kUNYWI5wQSuzlRStMv4QH2iJx1ZUGJvDOgOMCrBnDB//I8ZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o/3Wlho0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="o/3Wlho0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24960C4CEE3; Thu, 17 Jul 2025 20:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752784721; bh=7GyQUocLfLcFj7HM0l9V/mer49iHPDl7xAtCMgjYXr0=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=o/3Wlho0HXDXZcLtRAB4W3s27qiRPz5zYBaNZUoWBuUm/AdQb36SUpeaaxnlrx3uu avNKunobPbFGjkvthUQrS8rmUIXi8nzUmjnCd4JKI3DIpd+hK1xXpWJ+o2t4Vd5U1z mwasSZVb4iY6jK5s3mjOo2DEkkC6dU+yGsvFXntpPBCuKlRUBlzcsNuHwNcw1AaPwY YqYN11bnuDdq5O5F01xIX+t56iwotV/WRjrOw1fYQVHnvSpLkX0lDYswff6IjS+RJT xhj63CDG34/J+IJzSMbEA3eQCEnxgY22HRO7sBDGu62Q5l1FShxo4qMLiVUp8Xd+Td 8ia/jyNPJLBhA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id BC40ECE13CD; Thu, 17 Jul 2025 13:38:40 -0700 (PDT) Date: Thu, 17 Jul 2025 13:38:40 -0700 From: "Paul E. McKenney" To: Steven Rostedt Cc: Mathieu Desnoyers , Sebastian Andrzej Siewior , Boqun Feng , linux-rt-devel@lists.linux.dev, rcu@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Frederic Weisbecker , Joel Fernandes , Josh Triplett , Lai Jiangshan , Masami Hiramatsu , Neeraj Upadhyay , Thomas Gleixner , Uladzislau Rezki , Zqiang , bpf@vger.kernel.org Subject: Re: [PATCH RFC 6/4] srcu: Add guards for SRCU-fast readers Message-ID: Reply-To: paulmck@kernel.org References: <512331d8-fdb4-4dc1-8d9b-34cc35ba48a5@paulmck-laptop> <16dd7f3c-1c0f-4dfd-bfee-4c07ec844b72@paulmck-laptop> <20250716110922.0dadc4ec@batman.local.home> <895b48bd-d51e-4439-b5e0-0cddcc17a142@paulmck-laptop> <58866d6b-f4d9-4aaf-abce-10ddf526c3ad@paulmck-laptop> <20250717151934.282d8310@batman.local.home> <20250717155638.63c4f58d@batman.local.home> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250717155638.63c4f58d@batman.local.home> On Thu, Jul 17, 2025 at 03:56:38PM -0400, Steven Rostedt wrote: > On Thu, 17 Jul 2025 12:51:29 -0700 > "Paul E. McKenney" wrote: > > > Thank you! I will apply this on my next rebase. > > > > The normal process puts this into the v6.18 merge window, that it, the > > merge window after the upcoming one. If you need it sooner, please let > > us know. > > I'd suggest 6.17. I can understand the delay for updates to the RCU > logic for how subtle it can be, where more testing is required. But > adding a guard() helper is pretty trivial and useful to have. I > wouldn't delay it. OK thank you, and let's see what we can do in v6.17. Thanx, Paul