From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=0.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FSL_HELO_FAKE,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 96281C3A5A0 for ; Mon, 19 Aug 2019 19:13:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59F5B2087E for ; Mon, 19 Aug 2019 19:13:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566242013; bh=qZ2aBkl9CiqwFz/ZVGluogUZHqgRhHrcujNhP34JiU4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=tgj6/ju42W03aCoP4ykkS1GLzazirjaABa8GqIkcx1VDyQ6/TKS05bRQTBYM/TKwL 3YVQXaQinUKbJhcN89ykzSrrawdMoJx0F/sLCNPUemuQDgCwtO/OQJu/aEsB5NKJPx 8hSWEEv1Xm5oxEEIsO50F5igEUGZc+8XCQZXCsKU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728333AbfHSTNc (ORCPT ); Mon, 19 Aug 2019 15:13:32 -0400 Received: from mail-wr1-f52.google.com ([209.85.221.52]:40833 "EHLO mail-wr1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727957AbfHSTNc (ORCPT ); Mon, 19 Aug 2019 15:13:32 -0400 Received: by mail-wr1-f52.google.com with SMTP id c3so9856704wrd.7 for ; Mon, 19 Aug 2019 12:13:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ww1wEW2qBlY8JGlqF4b4VPopr2/Uzmff952SuXEEpWY=; b=QESW0rPyE0kWprypdsuq43b5yc5Evey69gIFX+0SVgRGjsehp+uAhCM5aHBxIoqiZ4 YWroui9UCGNcTWSttRe1IqvBcheOckSSYgsfQhuQIA5TtSEiBz2jYLgmuPyPKgVGgPhT DpIdaJpvYFZr+9UH04FGRZrkUcVF6Kp9fJvw/ve7dJ92Va8ZtelD8FfUAdnKw1cdKTLi E0q1aEgqslQpKuRq4CVYZdpzNOraU4d+xFZB3KVrx26g2rFBjEP3uLZk7BKLr7gQJ9g2 9ovl2p3Q9Vf/liiE9jBPAFXqjauG4bM+14eO6h/blxE9sVknVLeEvecQy/F+VtaklxSd WrKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=ww1wEW2qBlY8JGlqF4b4VPopr2/Uzmff952SuXEEpWY=; b=gwdJnRBf/LdVl7US27huX0fXrFQlRX9YizbXNK95aqEdTojc49fBTX868VtcY4ARBJ qgkv4Kgtpz+5Q5hLMFiDKTGLq3+Ugjb7cKbyr8gbVBjEmY01rMiYYdGhOWI2nsszDI+i mXsQOI/nieNYZzAl3rljdRugeTNB0pt4CEraXDA30+2SEgxPXtomNOjvLtzkTVx+hi0I bXusz/2loF5vJ7ucrlFdvbRBt9LwV70dWS0fPh3reaDGoCeBaCXeSsXRl7y7bwGhK5kc fB9+QA55NRDnwIKCt2du11sZfU9AI3JmfKMUdDdHsQGy1NXW4R/5b7j/KpImz/y//nlt TnMg== X-Gm-Message-State: APjAAAUpiduamkxmYGqh2Tzr6xLJUWaWLTTyVbM6oJQ7YxVq0HkbjKjP nPIsk4eXQMxLy4uIwIHJob8= X-Google-Smtp-Source: APXvYqwDvadwO9DGcMvJoVEVLxg63jbHh0Oc9Q/kNDRRedtwxKsEqo1V8Bn5nfu0sQ+zUxCRtIQrpQ== X-Received: by 2002:adf:fd8b:: with SMTP id d11mr27911925wrr.300.1566242009912; Mon, 19 Aug 2019 12:13:29 -0700 (PDT) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id x20sm34421527wrg.10.2019.08.19.12.13.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 12:13:29 -0700 (PDT) Date: Mon, 19 Aug 2019 21:13:27 +0200 From: Ingo Molnar To: Thomas Gleixner Cc: LKML , Oleg Nesterov , Peter Zijlstra , John Stultz , Frederic Weisbecker , Anna-Maria Behnsen Subject: Re: [patch 42/44] posix-cpu-timers: Move state tracking to struct posix_cputimers Message-ID: <20190819191327.GC68079@gmail.com> References: <20190819143141.221906747@linutronix.de> <20190819143805.419809496@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190819143805.419809496@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Thomas Gleixner wrote: > Put it where it belongs and cleanup the ifdeffery in fork completely. s/cleanup /clean up > * posix_cputimers - Container for posix CPU timer related data > * @expiries: Earliest-expiration cache array based > + * @timers_active: Timers are queued. > + * @expiry_active: Timer expiry is active. Used for > + * process wide timers to avoid multiple > + * trying to handle expiry 'to avoid multiple trying to handle expiry'? Should this be: 'to avoid multiple tasks trying to handle expiry'? > + * Check whether posix cpu timers are active. If not the thread > + * group accounting is not active either. Lockless check. s/cpu timers /CPU timers Thanks, Ingo