Messages in this thread Patch in this message | | | From | Ram Pai <> | Subject | [PATCH 3/5 v3] PCI: make SRIOV resources optional | Date | Mon, 25 Jul 2011 13:08:40 -0700 |
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From: Yinghai Lu <yinghai@kernel.org>
From: Yinghai Lu <yinghai@kernel.org>
Allocate resources to SRIOV BARs only after all other required resource-requests are satisfied. Dont retry if resource allocation for SRIOV BARs fail.
Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- drivers/pci/setup-bus.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 73f1f5d..3ac64d6 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -676,6 +676,16 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, if (r->parent || (r->flags & mask) != type) continue; r_size = resource_size(r); +#ifdef CONFIG_PCI_IOV + /* put SRIOV requested res to the optional list */ + if (add_head && i >= PCI_IOV_RESOURCES && + i <= PCI_IOV_RESOURCE_END) { + r->end = r->start - 1; + add_to_list(add_head, dev, r, r_size, 1); + children_add_size += r_size; + continue; + } +#endif /* For bridges size != alignment */ align = pci_resource_alignment(dev, r); order = __ffs(align) - 20; -- 1.7.4.1
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