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Bjorn Helgaas 58c84eda07 PCI: fall back to original BIOS BAR addresses ... If we fail to assign resources to a PCI BAR, this patch makes us try the original address from BIOS rather than leaving it disabled. Linux tries to make sure all PCI device BARs are inside the upstream PCI host bridge or P2P bridge apertures, reassigning BARs if necessary. Windows does similar reassignment. Before this patch, if we could not move a BAR into an aperture, we left the resource unassigned, i.e., at address zero. Windows leaves such BARs at the original BIOS addresses, and this patch makes Linux do the same. This is a bit ugly because we disable the resource long before we try to reassign it, so we have to keep track of the BIOS BAR address somewhere. For lack of a better place, I put it in the struct pci_dev. I think it would be cleaner to attempt the assignment immediately when the claim fails, so we could easily remember the original address. But we currently claim motherboard resources in the middle, after attempting to claim PCI resources and before assigning new PCI resources, and changing that is a fairly big job. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16263 Reported-by: Andrew <nitr0@seti.kr.ua> Tested-by: Andrew <nitr0@seti.kr.ua> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>		15 years ago
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hotplug	PCI: hotplug/cpqphp, fix NULL dereference	15 years ago
pcie	PCI/PM: Do not use native PCIe PME by default	15 years ago
.gitignore	…
Kconfig	PCI: change PCI_MSI help text to recommend enabling	15 years ago
Makefile	microblaze: Enable PCI, missing files	15 years ago
access.c	PCI: output FW warning in pci_read/write_vpd	15 years ago
bus.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
dmar.c	Merge git://git.infradead.org/iommu-2.6	15 years ago
hotplug-pci.c	…
hotplug.c	…
htirq.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
intel-iommu.c	intel-iommu: Force-disable IOMMU for iGFX on broken Cantiga revisions.	15 years ago
intr_remapping.c	Merge git://git.infradead.org/iommu-2.6	15 years ago
intr_remapping.h	intr-remap: generic support for remapping HPET MSIs	16 years ago
ioapic.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
iov.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
iova.c	intel-iommu: Remove superfluous iova_alloc_lock from IOVA code	16 years ago
irq.c	…
msi.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
msi.h	PCI MSI: shorten PCI_MSIX_ENTRY_* symbol names	16 years ago
pci-acpi.c	Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6	15 years ago
pci-driver.c	PCI PM: Run-time callbacks for PCI bus type	15 years ago
pci-stub.c	PCI: pci-stub: add pci_stub.ids parameter	16 years ago
pci-sysfs.c	Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"	15 years ago
pci.c	virtio-pci: disable msi at startup	15 years ago
pci.h	PCI: make bitfield unsigned	15 years ago
probe.c	ACPI, APEI, PCIE AER, use general HEST table parsing in AER firmware_first setup	15 years ago
proc.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
quirks.c	ahci: add pci quirk for JMB362	15 years ago
remove.c	PCI: eliminate redundant pci_stop_dev() call from pci_destroy_dev()	16 years ago
rom.c	PCI: fix rom.c kernel-doc warning	16 years ago
search.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
setup-bus.c	Revert "PCI: update bridge resources to get more big ranges in PCI assign unssigned"	15 years ago
setup-irq.c	…
setup-res.c	PCI: fall back to original BIOS BAR addresses	15 years ago
slot.c	Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"	15 years ago
syscall.c	headers: smp_lock.h redux	16 years ago
vpd.c	pci: Add helper to search for VPD keywords	15 years ago