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-rw-r--r--arch/x86/kernel/cpu/common_64.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index b82479c10835..f1fb94e766bb 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -83,6 +83,7 @@ static struct cpu_dev *this_cpu __cpuinitdata;
83int __cpuinit get_model_name(struct cpuinfo_x86 *c) 83int __cpuinit get_model_name(struct cpuinfo_x86 *c)
84{ 84{
85 unsigned int *v; 85 unsigned int *v;
86 char *p, *q;
86 87
87 if (c->extended_cpuid_level < 0x80000004) 88 if (c->extended_cpuid_level < 0x80000004)
88 return 0; 89 return 0;
@@ -92,6 +93,19 @@ int __cpuinit get_model_name(struct cpuinfo_x86 *c)
92 cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]); 93 cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]);
93 cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]); 94 cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]);
94 c->x86_model_id[48] = 0; 95 c->x86_model_id[48] = 0;
96
97 /* Intel chips right-justify this string for some dumb reason;
98 undo that brain damage */
99 p = q = &c->x86_model_id[0];
100 while (*p == ' ')
101 p++;
102 if (p != q) {
103 while (*p)
104 *q++ = *p++;
105 while (q <= &c->x86_model_id[48])
106 *q++ = '\0'; /* Zero-pad the rest */
107 }
108
95 return 1; 109 return 1;
96} 110}
97 111