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authorPaul Mundt <lethal@linux-sh.org>2009-06-11 09:01:14 +0300
committerPaul Mundt <lethal@linux-sh.org>2009-06-11 09:01:14 +0300
commitcf9fe114e3b37e14fc8434d5abb192e35df551b1 (patch)
tree0f82879295dc792f9df1a3ce79e143a3c073510f /arch/x86/kernel/cpu/amd.c
parentc1d0d32a603ed06377f404adf2c538de33bb3634 (diff)
parent991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff)
downloadop-kernel-dev-cf9fe114e3b37e14fc8434d5abb192e35df551b1.zip
op-kernel-dev-cf9fe114e3b37e14fc8434d5abb192e35df551b1.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
-rw-r--r--arch/x86/kernel/cpu/amd.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 7e4a459..e5b27d8 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -6,6 +6,7 @@
#include <asm/processor.h>
#include <asm/apic.h>
#include <asm/cpu.h>
+#include <asm/pci-direct.h>
#ifdef CONFIG_X86_64
# include <asm/numa_64.h>
@@ -272,7 +273,7 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
#if defined(CONFIG_NUMA) && defined(CONFIG_X86_64)
int cpu = smp_processor_id();
int node;
- unsigned apicid = hard_smp_processor_id();
+ unsigned apicid = cpu_has_apic ? hard_smp_processor_id() : c->apicid;
node = c->phys_proc_id;
if (apicid_to_node[apicid] != NUMA_NO_NODE)
@@ -351,6 +352,15 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
(c->x86_model == 8 && c->x86_mask >= 8))
set_cpu_cap(c, X86_FEATURE_K6_MTRR);
#endif
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_PCI)
+ /* check CPU config space for extended APIC ID */
+ if (c->x86 >= 0xf) {
+ unsigned int val;
+ val = read_pci_config(0, 24, 0, 0x68);
+ if ((val & ((1 << 17) | (1 << 18))) == ((1 << 17) | (1 << 18)))
+ set_cpu_cap(c, X86_FEATURE_EXTD_APICID);
+ }
+#endif
}
static void __cpuinit init_amd(struct cpuinfo_x86 *c)
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