From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:59880 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030412AbcBQR0k (ORCPT ); Wed, 17 Feb 2016 12:26:40 -0500 Date: Wed, 17 Feb 2016 11:26:34 -0600 From: Bjorn Helgaas To: jakeo@microsoft.com Cc: bhelgaas@google.com, linux-pci@vger.kernel.org, gregkh@linuxfoundation.org, kys@microsoft.com, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, tglx@linutronix.de, haiyangz@microsoft.com, marc.zyngier@arm.com, haddenh@microsoft.com Subject: Re: [PATCH RESEND v3 0/3] PCI: hv: New paravirtual PCI front-end driver Message-ID: <20160217172634.GA26372@localhost> References: <1455659783-20036-1-git-send-email-jakeo@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1455659783-20036-1-git-send-email-jakeo@microsoft.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Tue, Feb 16, 2016 at 09:56:20PM +0000, jakeo@microsoft.com wrote: > From: Jake Oshins > > This version incorporates more feedback from Bjorn Helgaas. Most notably, > I removed some debugging code and I consistently used architectural > means for getting the PCI domain instead of just reaching into the sysdata. > > This is a resend of patches that enable PCI pass-through within Hyper-V > VMs. This patch series only includes those which were deemed appropriate > for being incorportated via the PCI tree. All other patches in previous > patch series have gone through other trees and are now in mainline. > > The first two patches modify PCI so that new root PCI buses can be marked with > an associated fwnode_handle, and so that root PCI buses can look up their > associated IRQ domain by that handle. > > The last patch, introduces a new driver, hv_pcifront, which exposes root PCI > buses in a Hyper-V VM. These root PCI buses expose real PCIe devices, or PCI > Virtual Functions. > > Jake Oshins (3): > PCI: Add fwnode_handle to pci_sysdata > PCI: irqdomain: Look up IRQ domain by fwnode_handle > PCI: hv: New paravirtual PCI front-end for Hyper-V VMs > > MAINTAINERS | 1 + > arch/x86/include/asm/pci.h | 15 + > drivers/pci/Kconfig | 7 + > drivers/pci/host/Makefile | 1 + > drivers/pci/host/pci-hyperv.c | 2359 +++++++++++++++++++++++++++++++++++++++++ > drivers/pci/probe.c | 15 + > include/linux/pci.h | 4 + > 7 files changed, 2402 insertions(+) > create mode 100644 drivers/pci/host/pci-hyperv.c Applied to pci/host-hv, thanks, Jake! This is a new driver, and I don't think there's any risk of breaking anything, so I think we should still be able to merge this for v4.5. Bjorn