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authorIngo Molnar <mingo@elte.hu>2010-04-02 19:37:50 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 19:38:10 +0200
commitec5e61aabeac58670691bd0613388d16697d0d81 (patch)
tree59838509358f27334874b90756505785cde29b02 /arch/x86/pci/acpi.c
parent75ec5a245c7763c397f31ec8964d0a46c54a7386 (diff)
parent8bb39f9aa068262732fe44b965d7a6eb5a5a7d67 (diff)
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Merge branch 'perf/urgent' into perf/core
Conflicts: arch/x86/kernel/cpu/perf_event.c Merge reason: Resolve the conflict, pick up fixes Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/pci/acpi.c')
-rw-r--r--arch/x86/pci/acpi.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 6e22454..e311602 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -122,8 +122,8 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
struct acpi_resource_address64 addr;
acpi_status status;
unsigned long flags;
- struct resource *root;
- u64 start, end;
+ struct resource *root, *conflict;
+ u64 start, end, max_len;
status = resource_to_addr(acpi_res, &addr);
if (!ACPI_SUCCESS(status))
@@ -140,6 +140,17 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
} else
return AE_OK;
+ max_len = addr.maximum - addr.minimum + 1;
+ if (addr.address_length > max_len) {
+ dev_printk(KERN_DEBUG, &info->bridge->dev,
+ "host bridge window length %#llx doesn't fit in "
+ "%#llx-%#llx, trimming\n",
+ (unsigned long long) addr.address_length,
+ (unsigned long long) addr.minimum,
+ (unsigned long long) addr.maximum);
+ addr.address_length = max_len;
+ }
+
start = addr.minimum + addr.translation_offset;
end = start + addr.address_length - 1;
@@ -157,9 +168,12 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
return AE_OK;
}
- if (insert_resource(root, res)) {
+ conflict = insert_resource_conflict(root, res);
+ if (conflict) {
dev_err(&info->bridge->dev,
- "can't allocate host bridge window %pR\n", res);
+ "address space collision: host bridge window %pR "
+ "conflicts with %s %pR\n",
+ res, conflict->name, conflict);
} else {
pci_bus_add_resource(info->bus, res, 0);
info->res_num++;