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authorAndi Kleen <ak@suse.de>2005-09-12 18:49:24 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:49:57 -0700
commit69e1a33f62eff9b228a8cc2c3e4429dbee8966c9 (patch)
tree985f088d05f2d936cfafa5dd0232aa59391dc663 /arch/i386/kernel/srat.c
parent413588c7cb8113c03d0044f1d41b832ad7201c29 (diff)
downloadop-kernel-dev-69e1a33f62eff9b228a8cc2c3e4429dbee8966c9.zip
op-kernel-dev-69e1a33f62eff9b228a8cc2c3e4429dbee8966c9.tar.gz
[PATCH] x86-64: Use ACPI PXM to parse PCI<->node assignments
Since this is shared code I had to implement it for i386 too Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/kernel/srat.c')
-rw-r--r--arch/i386/kernel/srat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index 7b3b27d..516bf56 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -213,12 +213,18 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
node_end_pfn[nid] = memory_chunk->end_pfn;
}
+static u8 pxm_to_nid_map[MAX_PXM_DOMAINS];/* _PXM to logical node ID map */
+
+int pxm_to_node(int pxm)
+{
+ return pxm_to_nid_map[pxm];
+}
+
/* Parse the ACPI Static Resource Affinity Table */
static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
{
u8 *start, *end, *p;
int i, j, nid;
- u8 pxm_to_nid_map[MAX_PXM_DOMAINS];/* _PXM to logical node ID map */
u8 nid_to_pxm_map[MAX_NUMNODES];/* logical node ID to _PXM map */
start = (u8 *)(&(sratp->reserved) + 1); /* skip header */
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