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=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 63963C43441 for ; Tue, 13 Nov 2018 15:48:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D33B20896 for ; Tue, 13 Nov 2018 15:48:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sHEsZ1Oc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D33B20896 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388041AbeKNBrJ (ORCPT ); Tue, 13 Nov 2018 20:47:09 -0500 Received: from mail-qk1-f195.google.com ([209.85.222.195]:44780 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727719AbeKNBrI (ORCPT ); Tue, 13 Nov 2018 20:47:08 -0500 Received: by mail-qk1-f195.google.com with SMTP id n12so20145653qkh.11 for ; Tue, 13 Nov 2018 07:48:29 -0800 (PST) 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=6ZLwpJCfax7mWUNNT7OyXB3bs2bMqSH3wUfjESFGnjo=; b=sHEsZ1OcgZUgsXOd1LS/AtteiPCJLHaEjIH92LpTkG/qqQ2Bl3AtIDnI0Yl/ZnhfRF TV/c+sHvAeBR6kJN/6kNr/SrFoJ/nJTsTmLSis3Vt040/Jz5G1jLGZIXH4JoUZARDZex vKLjuRCp0pl6Rn1iHx6+bvrborJXQ+UyLfEiuhdzPCRpULmM2GqNBJkXuxbdywmxRdfq 8Au1xuHnxPtUAMt+OKIUDlDAj9F1Vb1q0OL7ka+tOjebAy3P2bqVHEiGFxzaFcnixCXP WnU0p+1J9egSsB3VlgA/s3n7OvdV5rjVHZ2gZuJZRUYSA02MALbjBawC+auVm7OhJ+14 TGeQ== 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=6ZLwpJCfax7mWUNNT7OyXB3bs2bMqSH3wUfjESFGnjo=; b=TDSnQcaHsvhqCFb+aAQF37yKWuzSQwRkXVrkF0+06Soa+VjnWbDDmEQS5Us64dLv09 GC/4rBvOfJOB1hIcFWnBUS7vnaoOQr/D2Q9ESYvcFlVRd6q5E+AAtz/haV7S2/1l31cp Ld5is4iMaN7AkfUAATgAKDn+3wxurZo/e4OGc/lZ0lpLX1Wq2HRZ9LlHx2q1rgf9SHIv REPzcdfsFhfIuZjo23sqKbcyoYe2dn/Ou2hCckeBFitiNPDtYiZKcKmOfnGVRKbIfMwK KiVj3xEbSTkuMgxWrCCa0/PtJ+rL/9VzYicBMmjzNfUgVVUeM03WLVBAnni/t/q7Zg+5 /evw== X-Gm-Message-State: AGRZ1gIedIJ5SB6Lz2eHj0KkdsB2NVX0TaUo1iUjgQ5QzvqRgmDRri8M +8Qc5Ef0rJH5NL1cHDaWhAQ= X-Google-Smtp-Source: AJdET5eiI6mxRvFVFKqusRLyLUskw/a6HvO3ZBDB7skLCWaHIf5NaK9QQfeVe4XYM1f/tbpRzakXyg== X-Received: by 2002:a37:8e81:: with SMTP id q123mr5358821qkd.34.1542124108877; Tue, 13 Nov 2018 07:48:28 -0800 (PST) Received: from localhost ([2620:10d:c091:200::6:e2a7]) by smtp.gmail.com with ESMTPSA id p31sm13320425qkh.86.2018.11.13.07.48.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Nov 2018 07:48:27 -0800 (PST) Date: Tue, 13 Nov 2018 07:48:25 -0800 From: Tejun Heo To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, Ming Lei , Bart Van Assche , Jens Axboe Subject: Re: [PATCH tip/core/rcu 27/41] percpu-refcount: Replace call_rcu_sched() with call_rcu() Message-ID: <20181113154825.GH2509588@devbig004.ftw2.facebook.com> References: <20181111194104.GA4787@linux.ibm.com> <20181111194410.6368-27-paulmck@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181111194410.6368-27-paulmck@linux.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 11, 2018 at 11:43:56AM -0800, Paul E. McKenney wrote: > Now that call_rcu()'s callback is not invoked until after all > preempt-disable regions of code have completed (in addition to explicitly > marked RCU read-side critical sections), call_rcu() can be used in place > of call_rcu_sched(). This commit therefore makes that change. > > Signed-off-by: Paul E. McKenney > Cc: Tejun Heo > Cc: Ming Lei > Cc: Bart Van Assche > Cc: Jens Axboe Acked-by: Tejun Heo Thanks. -- tejun