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authorYinghai Lu <yinghai@kernel.org>2010-02-10 01:20:09 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-10 17:47:17 -0800
commit3e3da00c01d050307e753fb7b3e84aefc16da0d0 (patch)
tree582f5dc19c1c4d3421781e51e3ab0f4448a2315f /arch/x86/pci/bus_numa.c
parentb74fd238a9cf39a81d94152f375b756bf795b4af (diff)
downloadlinux-3e3da00c01d050307e753fb7b3e84aefc16da0d0.tar.gz
x86/pci: AMD one chain system to use pci read out res
Found MSI amd k8 based laptops is hiding [0x70000000, 0x80000000) RAM
from e820.

enable amd one chain even for all.

-v2: use bool for found, according to Andrew

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-6-git-send-email-yinghai@kernel.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/pci/bus_numa.c')
-rw-r--r--arch/x86/pci/bus_numa.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index 30f65cecd65f..3411687b676e 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -5,7 +5,6 @@
 
 int pci_root_num;
 struct pci_root_info pci_root_info[PCI_ROOT_NR];
-int found_all_numa_early;
 
 void x86_pci_root_bus_res_quirks(struct pci_bus *b)
 {
@@ -21,10 +20,6 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
 	if (!pci_root_num)
 		return;
 
-	/* for amd, if only one root bus, don't need to do anything */
-	if (pci_root_num < 2 && found_all_numa_early)
-		return;
-
 	for (i = 0; i < pci_root_num; i++) {
 		if (pci_root_info[i].bus_min == b->number)
 			break;