From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by ozlabs.org (Postfix) with ESMTP id 5545C2C00A7 for ; Tue, 8 Oct 2013 20:05:52 +1100 (EST) Date: Tue, 8 Oct 2013 11:07:16 +0200 From: Alexander Gordeev To: Tejun Heo Subject: Re: [PATCH RFC 00/77] Re-design MSI/MSI-X interrupts enablement pattern Message-ID: <20131008090716.GA10561@dhcp-26-207.brq.redhat.com> References: <20131007182117.GC27396@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20131007182117.GC27396@htj.dyndns.org> Cc: linux-mips@linux-mips.org, "VMware, Inc." , linux-nvme@lists.infradead.org, linux-ide@vger.kernel.org, linux-s390@vger.kernel.org, Andy King , linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org, x86@kernel.org, Ingo Molnar , linux-pci@vger.kernel.org, iss_storagedev@hp.com, linux-driver@qlogic.com, Bjorn Helgaas , Dan Williams , Jon Mason , Solarflare linux maintainers , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ralf Baechle , e1000-devel@lists.sourceforge.net, Martin Schwidefsky , linux390@de.ibm.com, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, Oct 07, 2013 at 02:21:17PM -0400, Tejun Heo wrote: > Whee.... that's a lot more than I expected. I was just scanning > multiple msi users. Maybe we can stage the work in more manageable > steps so that you don't have to go through massive conversion only to > do it all over again afterwards and likewise people don't get > bombarded on each iteration? Maybe we can first update pci / msi code > proper, msi and then msix? Multipe MSIs is just a handful of drivers, really. MSI-X impact still will be huge. But if we opt a different name for the new pci_enable_msix() then we could first update pci/msi, then drivers (in few stages possibly) and finally remove the old implementation. > tejun -- Regards, Alexander Gordeev agordeev@redhat.com