From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=JuhK=VJ=lists.openwall.com=kernel-hardening-return-16420-kernel-hardening=archiver.kernel.org@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no
	autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 0ECA0C742BA
	for <kernel-hardening@archiver.kernel.org>; Fri, 12 Jul 2019 12:12:32 +0000 (UTC)
Received: from mother.openwall.net (mother.openwall.net [195.42.179.200])
	by mail.kernel.org (Postfix) with SMTP id 67E8A208E4
	for <kernel-hardening@archiver.kernel.org>; Fri, 12 Jul 2019 12:12:31 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 67E8A208E4
Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com
Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-16420-kernel-hardening=archiver.kernel.org@lists.openwall.com
Received: (qmail 15449 invoked by uid 550); 12 Jul 2019 12:12:24 -0000
Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm
Precedence: bulk
List-Post: <mailto:kernel-hardening@lists.openwall.com>
List-Help: <mailto:kernel-hardening-help@lists.openwall.com>
List-Unsubscribe: <mailto:kernel-hardening-unsubscribe@lists.openwall.com>
List-Subscribe: <mailto:kernel-hardening-subscribe@lists.openwall.com>
List-ID: <kernel-hardening.lists.openwall.com>
Received: (qmail 15426 invoked from network); 12 Jul 2019 12:12:23 -0000
Date: Fri, 12 Jul 2019 14:12:00 +0200
From: Oleg Nesterov <oleg@redhat.com>
To: "Joel Fernandes (Google)" <joel@joelfernandes.org>
Cc: linux-kernel@vger.kernel.org, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Bjorn Helgaas <bhelgaas@google.com>, Borislav Petkov <bp@alien8.de>,
	c0d1n61at3@gmail.com, "David S. Miller" <davem@davemloft.net>,
	edumazet@google.com,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Josh Triplett <josh@joshtriplett.org>, keescook@chromium.org,
	kernel-hardening@lists.openwall.com,
	Lai Jiangshan <jiangshanlai@gmail.com>, Len Brown <lenb@kernel.org>,
	linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-pm@vger.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, neilb@suse.com,
	netdev@vger.kernel.org, "Paul E. McKenney" <paulmck@linux.ibm.com>,
	Pavel Machek <pavel@ucw.cz>, peterz@infradead.org,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Rasmus Villemoes <rasmus.villemoes@prevas.dk>, rcu@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>, Tejun Heo <tj@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>, will@kernel.org,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@kernel.org>
Subject: Re: [PATCH v1 1/6] rcu: Add support for consolidated-RCU reader
 checking
Message-ID: <20190712121200.GC21989@redhat.com>
References: <20190711234401.220336-1-joel@joelfernandes.org>
 <20190711234401.220336-2-joel@joelfernandes.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190711234401.220336-2-joel@joelfernandes.org>
User-Agent: Mutt/1.5.24 (2015-08-30)
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Fri, 12 Jul 2019 12:12:11 +0000 (UTC)

On 07/11, Joel Fernandes (Google) wrote:
>
> +int rcu_read_lock_any_held(void)

rcu_sync_is_idle() wants it. You have my ack in advance ;)

Oleg.