From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 In-Reply-To: References: <20120709202308.28178.58942.stgit@bhelgaas.mtv.corp.google.com> From: Bjorn Helgaas Date: Tue, 10 Jul 2012 09:08:04 -0600 Message-ID: Subject: Re: [PATCH 0/3] PCI: P2P bridge window fixes To: linux-pci@vger.kernel.org Cc: Yinghai Lu , linux-kernel@vger.kernel.org, "David S. Miller" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: On Mon, Jul 9, 2012 at 9:24 PM, Bjorn Helgaas wrote: > On Mon, Jul 9, 2012 at 2:31 PM, Bjorn Helgaas wrote: >> Two fixes here: >> >> 1) Zero is a legal P2P bridge window base and BAR value and is likely to >> occur when there is an offset between bus addresses and CPU addresses. >> Stop disallowing it. >> >> 2) The Intel-specific 1K I/O window granularity for P2P bridges was >> implemented in a way that precluded reassignment of the window after >> FINAL quirks. Fix that. >> >> And also replace the sparc pci_cfg_fake_ranges() with the functionally >> equivalent generic version. >> >> --- >> >> Bjorn Helgaas (3): >> PCI: allow P2P bridge windows starting at PCI bus address zero >> PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2) >> sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases() >> >> >> arch/sparc/kernel/pci.c | 89 +--------------------------------------------- >> drivers/pci/probe.c | 31 +++++++++------- >> drivers/pci/quirks.c | 39 +------------------- >> drivers/pci/setup-bus.c | 11 +++++- >> include/linux/pci.h | 1 + >> include/linux/pci_regs.h | 3 +- >> 6 files changed, 31 insertions(+), 143 deletions(-) > > I applied these, as well as Yinghai's patch for 1K support in > pbus_size_io(), to my "next" branch. Thanks, Yinghai! FYI, I just rebased my "next" branch to fix the authorship of Yinghai's patch. Only the merge of these four patches (the most recent merge) is affected.