Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp884736ybz; Wed, 22 Apr 2020 09:38:08 -0700 (PDT) X-Google-Smtp-Source: APiQypLLnnKbLt5IXEvXI+xH4LJdxHIEyCx5qDlyb42PuYCz7dPkgdkxQCKwZfuCXQTP1QRlAt7g X-Received: by 2002:a05:6402:1d15:: with SMTP id dg21mr18177668edb.13.1587573487835; Wed, 22 Apr 2020 09:38:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587573487; cv=none; d=google.com; s=arc-20160816; b=yBDQP6AvqaVQIG51kPV22X0gayBeV0nf/ZlLrQ/Mp8Ddg5V8+8jR/c12piTLEotSfA YVHgchM5td7/2CAU86/QX4zk7afSGX0InP0G/bAB8JRstpBUOjYq8wBiP/CGtSVTboOd hgFgqXCkJRjZts1aUPsaVNvYb41CIrSwYrfo5YPrz+vs8oVtz8PBFRjuE7spMIm81oze psxUdy21SVsy0x+W7TPBfst/PiyKwRBWfBrQm/ekY1IvcRZRiqtJP47r+rLiGzFToOeo 9C2YcsLOhpqx7TuymmcuwQ81stD0nPujxPzTZgIq/PoZokGFFTMHUDtEheBmfn2O0NLQ 6gbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=GmTTCRDsdrPjFbyjWadCw1es0BgMPjnAaqRp5JZJ88Q=; b=xBIy8/PsIg6SgtLGc78CSnnkwXot5sOV6mgjV+Zis/eFwxxdvbmEfYjIM3TvDgy4Gf 2Bysn7Pm/f5qe1KmY4YfbW6Am9HbY3ypyaC4VtNBchnEACB74Ywr/AiyBWWP3P1g0FMf 1g6Sh3uhyzD+eNOxUmRMHkfzwNxqREsghPWlZhveFpT8sWP2TxQ+iqt37kNqNO+DuFrx oT9Nly3R2x1I8Av6B6Rw5Yz1X4x7aoL0wbsJMws/6j8RtbjiRUOoL5jh6FV+OyiQSiSM KQCNplsVvUhnB3RaXQslhk5mdAEtRbTa/kJgQ7QUqg1hBp3SfahaxdDtbHMGEpf6CSkX JVZQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u3si2457512edy.541.2020.04.22.09.37.43; Wed, 22 Apr 2020 09:38:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726857AbgDVQdf (ORCPT + 99 others); Wed, 22 Apr 2020 12:33:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:44870 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbgDVQdf (ORCPT ); Wed, 22 Apr 2020 12:33:35 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B7A7820656; Wed, 22 Apr 2020 16:33:32 +0000 (UTC) Date: Wed, 22 Apr 2020 12:33:31 -0400 From: Steven Rostedt To: "Paul E. McKenney" Cc: Peter Zijlstra , mingo@kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, qais.yousef@arm.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, airlied@redhat.com, alexander.deucher@amd.com, awalls@md.metrocast.net, axboe@kernel.dk, broonie@kernel.org, daniel.lezcano@linaro.org, gregkh@linuxfoundation.org, hannes@cmpxchg.org, herbert@gondor.apana.org.au, hverkuil@xs4all.nl, john.stultz@linaro.org, nico@fluxnic.net, rafael.j.wysocki@intel.com, rmk+kernel@arm.linux.org.uk, sudeep.holla@arm.com, ulf.hansson@linaro.org, wim@linux-watchdog.org Subject: Re: [PATCH 01/23] sched: Provide sched_set_fifo() Message-ID: <20200422123331.30b00018@gandalf.local.home> In-Reply-To: <20200422155006.GR17661@paulmck-ThinkPad-P72> References: <20200422112719.826676174@infradead.org> <20200422112831.266499893@infradead.org> <20200422131138.GL17661@paulmck-ThinkPad-P72> <20200422132648.GJ20730@hirez.programming.kicks-ass.net> <20200422155006.GR17661@paulmck-ThinkPad-P72> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 22 Apr 2020 08:50:06 -0700 "Paul E. McKenney" wrote: > Indeed, an extreme form of insanity would be required to try to make core > RCU be a module. Not that such a form of insanity is a bad thing in and > of itself, but it might best be directed towards less futile ventures. ;-) That's like making the core of mutexes a module. How would that ever work (without becoming a microkernel). -- Steve