Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp431090ybz; Fri, 24 Apr 2020 03:00:18 -0700 (PDT) X-Google-Smtp-Source: APiQypJRPG3qIWVDsRSb+uj2NQ9CzHxnM0IVym9vnfTvUwiQxKrkFCKCjRAZM2APn0oQ8Y4FcNW/ X-Received: by 2002:a17:906:374b:: with SMTP id e11mr6769428ejc.283.1587722418715; Fri, 24 Apr 2020 03:00:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587722418; cv=none; d=google.com; s=arc-20160816; b=qyEiE4D36+O8pfOCTK1tY3td+TcDH5GGIeACWS6qwVAcnmix5mmZpKEeC9npP0Ezdm l0taOEY5KRJOhMSaN0J8zCYZ29FSoOgI8BPB7AOGspYQ7cD5IojcfGImyoFxSUc8eMCy qEVpD9ixBPjriFwZrTbQlUxXbjLNGMxxwCID3jc5vu1BGvh+O8hfaXemeJ7BViSyCeg9 L+zm5n/1w/bPBrs3ScxCCn1UqDVu1O7IwYI2C/xSUVpC38ZueSR3ceWYpoV5aQZJ267t V1+7AXvIYC+9Lw/801sxCj45bn54SdQfzRYKCKy0DFDI8YNJz0HfneqWOj3AZ9RXJ+8c IrXg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=IwKwbSmGjb9mqGGwT2L7N216BXJbyhGPyRcIk5sPmzk=; b=pNfTdu/Icf0cRDWDq/6PrFgmOs7RupuPnZ1kpB3IIA9vh9QuoLYf84H4t9XCwd0WV1 kV0bdEbsgsnt+yLq0NDlgbEeM9J928TCXKCwkfrlmeuA9mebKuE8uDqqDiNcBLHT1Ili NPAd3l5Q1DJGuIMH1i/0/Yi0VSW/Ve/BRmQXId+fOugEAus8W7WBXh+oCHTyH7e0I/TK p+wDx86KxjsUnLHv2SmxyS8+UzVDqBEbvSk7Jv9bDQmfm7O3ls5nCNsmV8DX+nOSXzj1 Lx6e833TMVfchG6NveiI57SOK3An2KHaBlBaXjx1dVRavdRb96VfcQy04RlsoEEs/ugQ y7xA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=OdZUh8sM; 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 n20si2655521edq.397.2020.04.24.02.59.55; Fri, 24 Apr 2020 03:00:18 -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; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=OdZUh8sM; 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 S1726791AbgDXJzw (ORCPT + 99 others); Fri, 24 Apr 2020 05:55:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726489AbgDXJzw (ORCPT ); Fri, 24 Apr 2020 05:55:52 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55CE3C09B045; Fri, 24 Apr 2020 02:55:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=IwKwbSmGjb9mqGGwT2L7N216BXJbyhGPyRcIk5sPmzk=; b=OdZUh8sMRP0YeZhGvBlhTwqXJT LDaLsZJ0FzBe9Pxo/xgaYRjnKijrVWJ93E9upc2h9f6t1c+VFb3RdTLv2H94LVOYzqa2cj9pDyvdy evh6EBcpJEyYzvuB1jmlfc3pX6wFignIHZlb6RPxOc+/BVMB9+K4fJf7Ul3t5Pp33qexByVhvzjBp lDP56zndTyaFOUFoHWFUW7sTe3a70DHaN3tRtBFgYf934OqN0OyohrRTLb/uuCHK2sHr7YErA7i72 f55XFJdja6DZaqc0nnRGQPVELeO579cjJif4Z1gaarWQryQc+HbutOtf2EMkYl1sB7nzt5i4nyvj/ w7rancWw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRv3Z-0000ox-VI; Fri, 24 Apr 2020 09:55:38 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 1F3DF3010C4; Fri, 24 Apr 2020 11:55:33 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id C949020325E18; Fri, 24 Apr 2020 11:55:33 +0200 (CEST) Date: Fri, 24 Apr 2020 11:55:33 +0200 From: Peter Zijlstra To: Davidlohr Bueso Cc: tglx@linutronix.de, pbonzini@redhat.com, maz@kernel.org, bigeasy@linutronix.de, rostedt@goodmis.org, torvalds@linux-foundation.org, will@kernel.org, joel@joelfernandes.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Davidlohr Bueso Subject: Re: [PATCH 4/5] rcuwait: Introduce rcuwait_active() Message-ID: <20200424095533.GY20730@hirez.programming.kicks-ass.net> References: <20200424054837.5138-1-dave@stgolabs.net> <20200424054837.5138-5-dave@stgolabs.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200424054837.5138-5-dave@stgolabs.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 23, 2020 at 10:48:36PM -0700, Davidlohr Bueso wrote: > This call is lockless and thus should not be trustedblindly, > ie: for wakeup purposes, which is already provided correctly > by rcuwait_wakeup(). > > Signed-off-by: Davidlohr Bueso Acked-by: Peter Zijlstra (Intel)