Received: by 10.223.185.116 with SMTP id b49csp6344626wrg; Wed, 28 Feb 2018 07:56:15 -0800 (PST) X-Google-Smtp-Source: AH8x227FNw/kCfiZeBcMy74LmN372Hx6A3kG0s2OHO0ySxF4WdoLmsEMKEc5TPaO0paU9j7lLaP8 X-Received: by 2002:a17:902:8302:: with SMTP id bd2-v6mr17866096plb.295.1519833375446; Wed, 28 Feb 2018 07:56:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519833375; cv=none; d=google.com; s=arc-20160816; b=jEqb7AkoQt12ImUw7P5q7aWio0qD4Dqt88PxG7klPEN4Uf05hQl9MGgf6b1P7apDMB cz84Ag4Px8KfcZ7m5adc34ugPyt9pw2wL8TGcniD/AZKZ2x/TwvCjWV3TOkPJT8hE03C 5VeZqO2zirUQ7QZREG2lBDgdtQnYsB8gzL6hMV7AF9nzI0XAbRR4FxJVPL94EWJzDFlP 5FjCy4/t6WbFInUpr5dnQaWZfnG8wIjZBUO63FdGe07+7S2DYLX7iYMj7yX/kj89TWvg Dn1A8tQCP/Gy71Pz5ePOwPqmegmrKhR1j33QCu/ShNfiHugeXFbw4Cr4qClW1e7ID0BY SKsQ== 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:arc-authentication-results; bh=9nYNe6IvFLICcJuZAmq3kB11sqeFZ/F1/FFMBVFXVkw=; b=Ej3sCj3eC/3hsOf2hn7Xv745Xm6r4ALUn9mufrnmYDeJR//5qO/XyCVy9WqcNngKng 2LQn5AFnfCPyRWJnZy8zKzn5XwGll5NiMkErMGY8jK9ocVqyvLaUF/OaD/Rn25wL458/ K20M7u2ND4VJA+VL2dmgD73IbYyTFnx5q0Fx1AmnFvyKYVCL5AhjGqqCHFfyKC9k1WRb jeuVkMxKZ4AxOzUyFCmC+Ituhlm0RUP/v7KwTb+/51ER5mHZssjyqJSQOXWZRq0f0dhd hSPFpOsuMA8+HdOZJpSfMezVei5ydSTVEkTIGWN14DF2qt9s338Y+Qdzp/4FM2yfHWmT aeJQ== 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 u2si1162786pgc.321.2018.02.28.07.56.00; Wed, 28 Feb 2018 07:56:15 -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 S933877AbeB1PyJ (ORCPT + 99 others); Wed, 28 Feb 2018 10:54:09 -0500 Received: from mga09.intel.com ([134.134.136.24]:34099 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934040AbeB1Pxe (ORCPT ); Wed, 28 Feb 2018 10:53:34 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2018 07:53:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,406,1515484800"; d="scan'208";a="23929307" Received: from unknown (HELO localhost.localdomain) ([10.232.112.44]) by fmsmga002.fm.intel.com with ESMTP; 28 Feb 2018 07:53:32 -0800 Date: Wed, 28 Feb 2018 08:53:53 -0700 From: Keith Busch To: "jianchao.wang" Cc: axboe@fb.com, linux-kernel@vger.kernel.org, hch@lst.de, linux-nvme@lists.infradead.org, sagi@grimberg.me Subject: Re: [PATCH] nvme-pci: assign separate irq vectors for adminq and ioq0 Message-ID: <20180228155353.GB16002@localhost.localdomain> References: <1519721177-2099-1-git-send-email-jianchao.w.wang@oracle.com> <20180227151311.GD10832@localhost.localdomain> <9252f0a1-f3e5-414b-db49-e8053dfa48a6@oracle.com> <20180228152741.GA16002@localhost.localdomain> <8066e06c-90f4-c21b-e36f-89f6e8ca28c5@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 28, 2018 at 11:46:20PM +0800, jianchao.wang wrote: > > the irqbalance may migrate the adminq irq away from cpu0. No, irqbalance can't touch managed IRQs. See irq_can_set_affinity_usr().