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| author | Yinghai Lu <yinghai@kernel.org> | 2010-02-10 10:20:11 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-11 02:47:17 +0100 |
| commit | 9ad3f2c7c69659c343843393944d739fec1f2e73 (patch) | |
| tree | b1eef2d30a70d8386c3fdfe8bd73cf15de657f8c /arch/x86/pci/bus_numa.c | |
| parent | x86/pci: Use u64 instead of size_t in amd_bus.c (diff) | |
| download | linux-9ad3f2c7c69659c343843393944d739fec1f2e73.tar.xz linux-9ad3f2c7c69659c343843393944d739fec1f2e73.zip | |
x86/pci: Add cap_resource()
Prepare for 32bit pci root bus
-v2: hpa said we should compare with (resource_size_t)~0
-v3: according to Linus to use MAX_RESOURCE instead.
also need need to put related patches together
-v4: according to Andrew, use min in cap_resource()
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-8-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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index 3411687b676e..3510778aa8bb 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -1,5 +1,6 @@ #include <linux/init.h> #include <linux/pci.h> +#include <linux/range.h> #include "bus_numa.h" @@ -55,6 +56,9 @@ void __devinit update_res(struct pci_root_info *info, resource_size_t start, if (start > end) return; + if (start == MAX_RESOURCE) + return; + if (!merge) goto addit; |