From: Yinghai Lu <ying...@kernel.org>
Allocate resources to SRIOV BARs only after all other genuine resources
requests are satisfied. Dont retry if resource allocation for SRIOV BARs fail.
Signed-off-by: Ram Pai <linux...@us.ibm.com>
Signed-off-by: Yinghai Lu <ying...@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 c282c48..4f8873e 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -672,6 +672,16 @@ 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
+ /* add SRIOV BARs to nice-to-have 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;
--
1.7.0.4
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