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Commit e4e94072 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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[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: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 819a6928

arch/x86_64/mm/srat.c

+4 −3
Original line number Diff line number Diff line
@@ -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)