5 files changed, 63 insertions, 86 deletions

diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c
index bbe76953bae9..4589caa3e9d1 100644
--- a/arch/x86/boot/mkcpustr.c
+++ b/arch/x86/boot/mkcpustr.c
@@ -15,7 +15,7 @@
 
 #include <stdio.h>
 
-#include "../kernel/cpu/feature_names.c"
+#include "../kernel/cpu/capflags.c"
 
 #if NCAPFLAGS > 8
 # error "Need to adjust the boot code handling of CPUID strings"
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index a0fc6c144384..3ede19a4e0b2 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y                   := intel_cacheinfo.o addon_cpuid_features.o
-obj-y                   += proc.o feature_names.o
+obj-y                   += proc.o capflags.o powerflags.o
 
 obj-$(CONFIG_X86_32)    += common.o bugs.o cmpxchg.o
 obj-$(CONFIG_X86_64)    += common_64.o bugs_64.o
@@ -23,3 +23,12 @@ obj-$(CONFIG_MTRR)	+= mtrr/
 obj-$(CONFIG_CPU_FREQ)  += cpufreq/
 
 obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o
+
+quiet_cmd_mkcapflags = MKCAP   $@
+      cmd_mkcapflags = $(PERL) $(srctree)/$(src)/mkcapflags.pl $< $@
+
+cpufeature = $(src)/../../../../include/asm-x86/cpufeature.h
+
+targets += capflags.c
+$(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.pl FORCE
+        $(call if_changed,mkcapflags)
diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c
deleted file mode 100644
index c9017799497c..000000000000
--- a/arch/x86/kernel/cpu/feature_names.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Strings for the various x86 capability flags.
- *
- * This file must not contain any executable code.
- */
-
-#include <asm/cpufeature.h>
-
-/*
- * These flag bits must match the definitions in <asm/cpufeature.h>.
- * NULL means this bit is undefined or reserved; either way it doesn't
- * have meaning as far as Linux is concerned.  Note that it's important
- * to realize there is a difference between this table and CPUID -- if
- * applications want to get the raw CPUID data, they should access
- * /dev/cpu/<cpu_nr>/cpuid instead.
- */
-const char * const x86_cap_flags[NCAPINTS*32] = {
-        /* Intel-defined */
-        "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
-        "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
-        "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx",
-        "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe",
-
-        /* AMD-defined */
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL,
-        NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm",
-        "3dnowext", "3dnow",
-
-        /* Transmeta-defined */
-        "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-        /* Other (Linux-defined) */
-        "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr",
-        NULL, NULL, NULL, NULL,
-        "constant_tsc", "up", NULL, "arch_perfmon",
-        "pebs", "bts", NULL, NULL,
-        "rep_good", NULL, NULL, NULL,
-        "nopl", NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-        /* Intel-defined (#2) */
-        "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
-        "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
-        NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt",
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-        /* VIA/Cyrix/Centaur-defined */
-        NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en",
-        "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-        /* AMD-defined (#2) */
-        "lahf_lm", "cmp_legacy", "svm", "extapic",
-        "cr8_legacy", "abm", "sse4a", "misalignsse",
-        "3dnowprefetch", "osvw", "ibs", "sse5",
-        "skinit", "wdt", NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-        /* Auxiliary (Linux-defined) */
-        "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-};
-
-const char *const x86_power_flags[32] = {
-        "ts",   /* temperature sensor */
-        "fid",  /* frequency id control */
-        "vid",  /* voltage id control */
-        "ttp",  /* thermal trip */
-        "tm",
-        "stc",
-        "100mhzsteps",
-        "hwpstate",
-        "",     /* tsc invariant mapped to constant_tsc */
-                /* nothing */
-};
diff --git a/arch/x86/kernel/cpu/mkcapflags.pl b/arch/x86/kernel/cpu/mkcapflags.pl
new file mode 100644
index 000000000000..dfea390e1608
--- /dev/null
+++ b/arch/x86/kernel/cpu/mkcapflags.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/perl
+#
+# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h
+#
+
+($in, $out) = @ARGV;
+
+open(IN, "< $in\0")   or die "$0: cannot open: $in: $!\n";
+open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n";
+
+print OUT "#include <asm/cpufeature.h>\n\n";
+print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n";
+
+while (defined($line = <IN>)) {
+        if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) {
+                $macro = $1;
+                $feature = $2;
+                $tail = $3;
+                if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) {
+                        $feature = $1;
+                }
+
+                if ($feature ne '') {
+                        printf OUT "\t%-32s = \"%s\",\n",
+                                "[$macro]", "\L$feature";
+                }
+        }
+}
+print OUT "};\n";
+
+close(IN);
+close(OUT);
diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c
new file mode 100644
index 000000000000..5abbea297e0c
--- /dev/null
+++ b/arch/x86/kernel/cpu/powerflags.c
@@ -0,0 +1,20 @@
+/*
+ * Strings for the various x86 power flags
+ *
+ * This file must not contain any executable code.
+ */
+
+#include <asm/cpufeature.h>
+
+const char *const x86_power_flags[32] = {
+        "ts",   /* temperature sensor */
+        "fid",  /* frequency id control */
+        "vid",  /* voltage id control */
+        "ttp",  /* thermal trip */
+        "tm",
+        "stc",
+        "100mhzsteps",
+        "hwpstate",
+        "",     /* tsc invariant mapped to constant_tsc */
+                /* nothing */
+};