Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp1891300ybl; Sat, 1 Feb 2020 08:34:31 -0800 (PST) X-Google-Smtp-Source: APXvYqzCXDvBYPMpbVXV/P99L9WEeuzgWJBhafHv+Q5FjDG/3JbBK55vx/ZIcYTHmLRmF/xSpVtw X-Received: by 2002:aca:e084:: with SMTP id x126mr9611056oig.97.1580574871083; Sat, 01 Feb 2020 08:34:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1580574871; cv=none; d=google.com; s=arc-20160816; b=aw/0xJESTDTrXI06Pl952Bh1COwWb7V9hyAUVFcSwlitamh/TF1FrBxnQCPovuwogI cqsy/DxGnnugKOheIkUaPBSD3Qm0tXsgKmByHgzex2EU03jS0Bjx8FoQzRQRePRME10I G/jbUq198+l3iQUsDnRUYMZoW43cES1k9HE5EYWqBS+9MVh9V36Dhh1OLiEBJXq0xPcJ fihwtSgRpZ3O5pFwxmiE81gXGYOMCDtpu4knE1J/7EEqlkIvIO/oEl6ab4phb9Te3YlA VBn1H7/KhN7Qh/NQz9bG0pzVjYqYx1HEOxwe28ivBGn014O+wx0HIt2fK7/1Yl6UkZWI KP9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=dRVFJkbVT3X7fmpGZjBtMPF7O56arlCUEv27HDTs30Q=; b=cWtw21aQzwu9YW3kTTbDTGf/8OeWqmlPDkJZBmu0suB/RP8c6fH4ShxlN44eSkGfmj FLBq0SSqkDu5dvLsbM6cAHQcr8PmwR2/i6CA+SJb2T6KzjyKpP7f1QzR/2gSuArLs4n2 3r1DKV0P1V6YPshv1ifID0zBgcliVVS4NktXPfAxWrmw1/CT7AE7MlWcDWyyWc82muCg 6oI2Z0jivrxgJR/hMD9R6X9hE2iTA35UgsAG9aUnLkYXUWK4tdPGdBoJRVk2paYGb3Bv brtDGxBvEfVzvMRM3JRAJcdTeslJ6cciCGvBoPpX0vvCK9iCk6gyzZApWLJFj7iXPVuL /Q0A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m14si6464024otr.131.2020.02.01.08.34.17; Sat, 01 Feb 2020 08:34:31 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726718AbgBAQd0 (ORCPT + 99 others); Sat, 1 Feb 2020 11:33:26 -0500 Received: from mx2.suse.de ([195.135.220.15]:57026 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726622AbgBAQd0 (ORCPT ); Sat, 1 Feb 2020 11:33:26 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8049AADE2; Sat, 1 Feb 2020 16:33:24 +0000 (UTC) Date: Sat, 1 Feb 2020 08:23:05 -0800 From: Davidlohr Bueso To: Peter Zijlstra Cc: mingo@kernel.org, will@kernel.org, oleg@redhat.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, bigeasy@linutronix.de, juri.lelli@redhat.com, williams@redhat.com, bristot@redhat.com, longman@redhat.com, jack@suse.com Subject: Re: [PATCH -v2 0/7] locking: Percpu-rwsem rewrite Message-ID: <20200201162305.tc4m4kv3fkc6ixob@linux-p48b> References: <20200131150703.194229898@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20200131150703.194229898@infradead.org> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 31 Jan 2020, Peter Zijlstra wrote: >Hi all, > >This is the long awaited report of the percpu-rwsem rework (sorry Juri). > >IIRC (I really have trouble keeping up momentum on this series) I've addressed >all previous comments by Oleg and Davidlohr and Waiman and hope we can stick >this in tip/locking/core for inclusion in the next merge. > >It has been cooked (thoroughly) in PREEMPT_RT, and not found wanting. > >Any objections to me stuffing it in so we can all forget about it properly? Feel free to add my: Reviewed-by: Davidlohr Bueso Thanks, Davidlohr