1 files changed, 14 insertions, 13 deletions

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 238f73e1a834..cb28df14ff6f 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -831,8 +831,6 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
 
-#define HWCR 0xc0010015
-
 static int __init init_amd(struct cpuinfo_x86 *c)
 {
         int r;
@@ -841,14 +839,18 @@ static int __init init_amd(struct cpuinfo_x86 *c)
 #ifdef CONFIG_SMP
         unsigned long value;
 
-        // Disable TLB flush filter by setting HWCR.FFDIS:
-        // bit 6 of msr C001_0015
-        //
-        // Errata 63 for SH-B3 steppings
-        // Errata 122 for all(?) steppings
-        rdmsrl(HWCR, value);
-        value |= 1 << 6;
-        wrmsrl(HWCR, value);
+        /*
+         * Disable TLB flush filter by setting HWCR.FFDIS on K8
+         * bit 6 of msr C001_0015
+         *
+         * Errata 63 for SH-B3 steppings
+         * Errata 122 for all steppings (F+ have it disabled by default)
+         */
+        if (c->x86 == 15) {
+                rdmsrl(MSR_K8_HWCR, value);
+                value |= 1 << 6;
+                wrmsrl(MSR_K8_HWCR, value);
+        }
 #endif
 
         /* Bit 31 in normal CPUID used for nonstandard 3DNow ID;
@@ -965,13 +967,12 @@ static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
 static void srat_detect_node(void)
 {
 #ifdef CONFIG_NUMA
-        unsigned apicid, node;
+        unsigned node;
         int cpu = smp_processor_id();
 
         /* Don't do the funky fallback heuristics the AMD version employs
            for now. */
-        apicid = phys_proc_id[cpu];
-        node = apicid_to_node[apicid];
+        node = apicid_to_node[hard_smp_processor_id()];
         if (node == NUMA_NO_NODE)
                 node = 0;
         cpu_to_node[cpu] = node;