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| author | Andi Kleen <ak@suse.de> | 2006-01-11 22:43:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:04:52 -0800 |
| commit | e4e94072d9c3b19662537cbd5e2d37bcaeed3d9b (patch) | |
| tree | 1d2c1c61319ea999703090023551204606525a1d /arch/x86_64/mm/srat.c | |
| parent | 819a692804a8d2d42b7bb033d2650dba47622149 (diff) | |
| download | lwn-e4e94072d9c3b19662537cbd5e2d37bcaeed3d9b.tar.gz lwn-e4e94072d9c3b19662537cbd5e2d37bcaeed3d9b.zip | |
[PATCH] x86_64: Return -1 for unknown PCI bus affinity
When we don't know the node a PCI bus is connected to return -1.
This matches the generic code.
Noticed by Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/mm/srat.c')
| -rw-r--r-- | arch/x86_64/mm/srat.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 9f69d28652f8..d96c701dbed6 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -23,15 +23,16 @@ static struct acpi_table_slit *acpi_slit; static nodemask_t nodes_parsed __initdata; static nodemask_t nodes_found __initdata; static struct node nodes[MAX_NUMNODES] __initdata; -static __u8 pxm2node[256] = { [0 ... 255] = 0xff }; +static u8 pxm2node[256] = { [0 ... 255] = 0xff }; static int node_to_pxm(int n); int pxm_to_node(int pxm) { if ((unsigned)pxm >= 256) - return 0; - return pxm2node[pxm]; + return -1; + /* Extend 0xff to (int)-1 */ + return (signed char)pxm2node[pxm]; } static __init int setup_node(int pxm) |