lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86, amd: Get multi-node CPU info from NodeId MSR instead of PCI config space

Browse Source 
Use NodeId MSR to get NodeId and number of nodes per processor.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
LKML-Reference: <20091216144355.GB28798@alberich.amd.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Andreas Herrmann
2009-12-16 15:43:55 +01:00
committed by H. Peter Anvin
parent 5df974009f
commit 9d260ebc09
3 changed files with 17 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/include/asm/msr-index.h
View File

@@ -124,6 +124,7 @@
#define FAM10H_MMIO_CONF_BUSRANGE_SHIFT 2
#define FAM10H_MMIO_CONF_BASE_MASK 0xfffffff
#define FAM10H_MMIO_CONF_BASE_SHIFT 20
#define MSR_FAM10H_NODE_ID 0xc001100c
/* K8 MSRs */
#define MSR_K8_TOP_MEM1 0xc001001a