Yinghai Lu aa914f5ec2 PCI: Retry allocation of only the resource type that failed ... Ben Herrenschmidt reported the following problem: - The bus has space for all desired MMIO resources, including optional space for SR-IOV devices - We attempt to allocate I/O port space, but it fails because the bus has no I/O space - Because of the I/O allocation failure, we retry MMIO allocation, requesting only the required space, without the optional SR-IOV space This means we don't allocate the optional SR-IOV space, even though we could. This is related to 0c5be0cb0e ("PCI: Retry on IORESOURCE_IO type allocations"). This patch changes how we handle allocation failures. We will now retry allocation of only the resource type that failed. If MMIO allocation fails, we'll retry only MMIO allocation. If I/O port allocation fails, we'll retry only I/O port allocation. [bhelgaas: changelog] Reference: https://lkml.kernel.org/r/1367712653.11982.19.camel@pasglop Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Tested-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v3.10+		2013-07-26 07:32:20 -06:00
..
host	pci: Add PCIe driver for Samsung Exynos	2013-06-26 20:14:59 +02:00
hotplug	PCI: hotplug: Convert to be builtin only, not modular	2013-07-25 14:11:06 -06:00
pcie	PCI: pciehp: Convert pciehp to be builtin only, not modular	2013-07-26 07:32:12 -06:00
access.c
ats.c
bus.c	PCI: Introduce pci_bus_{get|put}() to manage PCI bus reference count	2013-05-27 16:22:09 -06:00
host-bridge.c
hotplug-pci.c
htirq.c
ioapic.c	PCI: Convert ioapic.c to module_pci_driver	2013-05-27 17:05:28 -06:00
iov.c	Merge branch 'pci/jiang-bus-lock-v3' into next	2013-06-14 17:47:46 -06:00
irq.c
Kconfig	ARM SoC specific changes	2013-07-02 13:43:38 -07:00
Makefile	pci: PCIe driver for Marvell Armada 370/XP systems	2013-05-20 19:18:44 +00:00
msi.c	PCI: Allocate only as many MSI vectors as requested by driver	2013-05-28 11:31:16 -06:00
of.c
pci-acpi.c	PCI / ACPI / PM: Use correct power state strings in messages	2013-06-14 16:35:42 -06:00
pci-driver.c	PM / Runtime: Rework the "runtime idle" helper routine	2013-06-03 21:49:52 +02:00
pci-label.c
pci-stub.c
pci-sysfs.c	Merge branch 'pci/jiang-iov-fixes' into next	2013-06-05 12:27:19 -06:00
pci.c	pci: add pcibios_release_device	2013-06-26 21:10:05 +02:00
pci.h	PCI / ACPI: Use boot-time resource allocation rules during hotplug	2013-06-23 01:01:35 +02:00
probe.c	pci: add pcibios_release_device	2013-06-26 21:10:05 +02:00
proc.c	pci/proc: switch to fixed_size_llseek()	2013-06-29 12:57:48 +04:00
quirks.c	Merge branch 'pci/misc' into next	2013-06-26 15:55:52 -06:00
remove.c
rom.c
search.c
setup-bus.c	PCI: Retry allocation of only the resource type that failed	2013-07-26 07:32:20 -06:00
setup-irq.c
setup-res.c
slot.c
syscall.c
vpd.c
xen-pcifront.c	xen/pcifront: Deal with toolstack missing 'XenbusStateClosing' state.	2013-06-14 12:28:59 -04:00