1 files changed, 0 insertions, 83 deletions
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
deleted file mode 100644
index a6ef672adbb..00000000000
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- *	Routines to indentify additional cpu features that are scattered in
- *	cpuid space.
- */
-#include <linux/cpu.h>
-
-#include <asm/pat.h>
-#include <asm/processor.h>
-
-struct cpuid_bit {
-	u16 feature;
-	u8 reg;
-	u8 bit;
-	u32 level;
-};
-
-enum cpuid_regs {
-	CR_EAX = 0,
-	CR_ECX,
-	CR_EDX,
-	CR_EBX
-};
-
-void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
-{
-	u32 max_level;
-	u32 regs[4];
-	const struct cpuid_bit *cb;
-
-	static const struct cpuid_bit cpuid_bits[] = {
-		{ X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
-		{ 0, 0, 0, 0 }
-	};
-
-	for (cb = cpuid_bits; cb->feature; cb++) {
-
-		/* Verify that the level is valid */
-		max_level = cpuid_eax(cb->level & 0xffff0000);
-		if (max_level < cb->level ||
-		    max_level > (cb->level | 0xffff))
-			continue;
-
-		cpuid(cb->level, &regs[CR_EAX], &regs[CR_EBX],
-			&regs[CR_ECX], &regs[CR_EDX]);
-
-		if (regs[cb->reg] & (1 << cb->bit))
-			set_cpu_cap(c, cb->feature);
-	}
-}
-
-#ifdef CONFIG_X86_PAT
-void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
-{
-	if (!cpu_has_pat)
-		pat_disable("PAT not supported by CPU.");
-
-	switch (c->x86_vendor) {
-	case X86_VENDOR_INTEL:
-		/*
-		 * There is a known erratum on Pentium III and Core Solo
-		 * and Core Duo CPUs.
-		 * " Page with PAT set to WC while associated MTRR is UC
-		 *   may consolidate to UC "
-		 * Because of this erratum, it is better to stick with
-		 * setting WC in MTRR rather than using PAT on these CPUs.
-		 *
-		 * Enable PAT WC only on P4, Core 2 or later CPUs.
-		 */
-		if (c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 15))
-			return;
-
-		pat_disable("PAT WC disabled due to known CPU erratum.");
-		return;
-
-	case X86_VENDOR_AMD:
-	case X86_VENDOR_CENTAUR:
-	case X86_VENDOR_TRANSMETA:
-		return;
-	}
-
-	pat_disable("PAT disabled. Not yet verified on this CPU type.");
-}
-#endif