x86, amd: Move BSP code to cpu_dev helper

Move code which is run once on the BSP during boot into the cpu_dev
helper.

[ hpa: removed bogus cpu_has -> static_cpu_has conversion ]

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/20110805180409.GC26217@aftab
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index b0234bc..b6e3e87 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -410,6 +410,34 @@ static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c)
 #endif
 }
 
+static void __cpuinit bsp_init_amd(struct cpuinfo_x86 *c)
+{
+       if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
+
+               if (c->x86 > 0x10 ||
+                   (c->x86 == 0x10 && c->x86_model >= 0x2)) {
+                       u64 val;
+
+                       rdmsrl(MSR_K7_HWCR, val);
+                       if (!(val & BIT(24)))
+                               printk(KERN_WARNING FW_BUG "TSC doesn't count "
+                                       "with P0 frequency!\n");
+               }
+       }
+
+       if (c->x86 == 0x15) {
+               unsigned long upperbit;
+               u32 cpuid, assoc;
+
+               cpuid    = cpuid_edx(0x80000005);
+               assoc    = cpuid >> 16 & 0xff;
+               upperbit = ((cpuid >> 24) << 10) / assoc;
+
+               va_align.mask     = (upperbit - 1) & PAGE_MASK;
+               va_align.flags    = ALIGN_VA_32 | ALIGN_VA_64;
+       }
+}
+
 static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 {
        early_init_amd_mc(c);
@@ -441,36 +469,6 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
                        set_cpu_cap(c, X86_FEATURE_EXTD_APICID);
        }
 #endif
-
-       /* We need to do the following only once */
-       if (c != &boot_cpu_data)
-               return;
-
-       if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
-
-               if (c->x86 > 0x10 ||
-                   (c->x86 == 0x10 && c->x86_model >= 0x2)) {
-                       u64 val;
-
-                       rdmsrl(MSR_K7_HWCR, val);
-                       if (!(val & BIT(24)))
-                               printk(KERN_WARNING FW_BUG "TSC doesn't count "
-                                       "with P0 frequency!\n");
-               }
-       }
-
-       if (c->x86 == 0x15) {
-               unsigned long upperbit;
-               u32 cpuid, assoc;
-
-               cpuid    = cpuid_edx(0x80000005);
-               assoc    = cpuid >> 16 & 0xff;
-               upperbit = ((cpuid >> 24) << 10) / assoc;
-
-               va_align.mask     = (upperbit - 1) & PAGE_MASK;
-               va_align.flags    = ALIGN_VA_32 | ALIGN_VA_64;
-
-       }
 }
 
 static void __cpuinit init_amd(struct cpuinfo_x86 *c)
@@ -692,6 +690,7 @@ static const struct cpu_dev __cpuinitconst amd_cpu_dev = {
        .c_size_cache   = amd_size_cache,
 #endif
        .c_early_init   = early_init_amd,
+       .c_bsp_init     = bsp_init_amd,
        .c_init         = init_amd,
        .c_x86_vendor   = X86_VENDOR_AMD,
 };