Received: by 10.213.65.68 with SMTP id h4csp3486626imn; Tue, 3 Apr 2018 05:56:35 -0700 (PDT) X-Google-Smtp-Source: AIpwx48zshHZp5NTpqlt69+RzzpS9ivVkbafli3HE76yuth7336eu2G0j+Yx7DKsIyCUMxODpVTm X-Received: by 10.99.135.199 with SMTP id i190mr8969748pge.2.1522760195227; Tue, 03 Apr 2018 05:56:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522760195; cv=none; d=google.com; s=arc-20160816; b=hbXJ6m8+x3JoDhbqyLg+PGk3zqRQ1LtfhBT3nvLywBfNXAXlMtf3rlt3CC9CWjWrAD moLByCULSq8McT1i/JOm6zkzTK9g/9XwvS7SzmfkMBKqA7YUr6IuX6htwMYqlFU2ReDY ORP3jmcQQyiPOAER09A00rwHO6SezBCc3l1XH4p4n+PmcaBbMR58QgvfLog0wJzVxTVE Lq7WR/r2+PEy6HxKEdJm6ZHh1sFR/PF9oUQOHkEixU83ph39/iitCR1zM2leNyaUsCvK o+Km0RyCo4GyvInwL7dwb5/3HbxUvjUqYcx1wFmZCx5OYyRj4+H5OtGfulxfSnMbWtjJ 9YCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date :arc-authentication-results; bh=SP77XSX3rFIHTAQyaD1TQgxkAzlw9ZbRdCjahkKNC3k=; b=NM073d075RgeFfiBVLmHKUyhHvoCZVdQGqSHyGqesqBqVsvOVkI05mmVH9ToSdEtOJ 0ov3cEoiO79XBsL5W3cZXDA0Es8muaBPRrTxo2N9sFfrMp7zAfzWHKAwUr9NohJ4qWtZ MLwmhJ0RvHqrt4AszE9xUCPD4hY0UpQGFM0d41Xekp7omd0YZZwR1COlJx5/0Hd/uzds 8s2g+8ivwGHQCDYJN+YldaV7U6tpihLXuUx5obKSpggZlEza4X7HX6ivRx0wO6EDFu5V w50XrFpDqfeWRN48Ns2FCgMrURAVR+xFeVWFo8Nvb6M7+TKV/GSTTO+m3z2SJ2O8lGm2 TjIQ== 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 e6si356345pff.205.2018.04.03.05.56.20; Tue, 03 Apr 2018 05:56:35 -0700 (PDT) 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 S932167AbeDCMzL (ORCPT + 99 others); Tue, 3 Apr 2018 08:55:11 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:59469 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932087AbeDCMzJ (ORCPT ); Tue, 3 Apr 2018 08:55:09 -0400 Received: from hsi-kbw-5-158-153-52.hsi19.kabel-badenwuerttemberg.de ([5.158.153.52] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1f3LSt-0008NN-Fg; Tue, 03 Apr 2018 14:55:07 +0200 Date: Tue, 3 Apr 2018 14:55:07 +0200 (CEST) From: Thomas Gleixner To: Ming Lei cc: Artem Bityutskiy , Jens Axboe , Christoph Hellwig , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Laurence Oberman Subject: Re: [PATCH V3 0/4] genirq/affinity: irq vector spread among online CPUs as far as possible In-Reply-To: <20180330031554.GC12412@ming.t460p> Message-ID: References: <20180308105358.1506-1-ming.lei@redhat.com> <1520515113.20980.31.camel@gmail.com> <20180308133440.GA2713@ming.t460p> <20180309012458.GD5228@ming.t460p> <20180309120833.GB30257@ming.t460p> <20180330031554.GC12412@ming.t460p> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ming, On Fri, 30 Mar 2018, Ming Lei wrote: > On Fri, Mar 09, 2018 at 04:08:19PM +0100, Thomas Gleixner wrote: > > Thoughts? > > Given this patchset doesn't have effect on normal machines without > supporting physical CPU hotplug, it can fix performance regression on > machines which might support physical CPU hotplug(cpu_present_mask != > cpu_possible_mask) with some extra memory allocation cost. > > So is there any chance to make it in v4.17? Sorry, that thing fell through the cracks. I'll queue it now and try to do a pull request late in the merge window. Thanks, tglx