From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:54966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753970AbcINUZU (ORCPT ); Wed, 14 Sep 2016 16:25:20 -0400 Date: Wed, 14 Sep 2016 15:25:16 -0500 From: Bjorn Helgaas To: Jon Derrick Cc: keith.busch@intel.com, linux-pci@vger.kernel.org Subject: Re: [RFCv2 0/3] vmd irq list shortening, map allocation Message-ID: <20160914202515.GA13189@localhost> References: <1472838786-3441-1-git-send-email-jonathan.derrick@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1472838786-3441-1-git-send-email-jonathan.derrick@intel.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Fri, Sep 02, 2016 at 11:53:03AM -0600, Jon Derrick wrote: > V2: > Added a map for vmd irqs to attempt to allocate all vmd irqs within an > irq list into a single page. Once we start getting many devices > sharing the irq in an irq list, this may help the list traversal latency. > > V1: > Couple of RFC patches here. I don't really notice a positive benefit but > it does reduce the struct size of vmd_irq_list and hopefully we gain some > cache benefits from that. > > Both are based on: > https://patchwork.kernel.org/patch/9304179/ > https://patchwork.kernel.org/patch/9304181/ > > Jon Derrick (3): > vmd: eliminate vmd_vector member from list type > vmd: eliminate index member from irq list > pci/vmd: Create irq map for irq nodes I converted Keith's "looks good to me" to acks on 1/3 and 2/3, applied them to pci/host-vmd for v4.9, and dropped 3/3 for now. Thanks, guys!