---

yaml --- r: 14207 b: refs/heads/master c: af9c142 h: refs/heads/master i: 14205: 2f64908 14203: bc1d020 14199: 330c620 14191: 682956f 14175: 157a071 14143: 734aec8 14079: 23f3a82 v: v3
git-mirror · Nov 15, 2005 · 66c348e · 66c348e
1 parent 177502f
commit 66c348e
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Showing 3 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1d2e6bd86152ab86fb866555281869df340e6c6a
+refs/heads/master: af9c142de94ecf724a18700273bbba390873e072
diff --git a/trunk/arch/i386/kernel/cpu/mtrr/main.c b/trunk/arch/i386/kernel/cpu/mtrr/main.c
@@ -626,6 +626,14 @@ void __init mtrr_bp_init(void)
 		if (cpuid_eax(0x80000000) >= 0x80000008) {
 			u32 phys_addr;
 			phys_addr = cpuid_eax(0x80000008) & 0xff;
+			/* CPUID workaround for Intel 0F33/0F34 CPU */
+			if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+			    boot_cpu_data.x86 == 0xF &&
+			    boot_cpu_data.x86_model == 0x3 &&
+			    (boot_cpu_data.x86_mask == 0x3 ||
+			     boot_cpu_data.x86_mask == 0x4))
+				phys_addr = 36;
+
 			size_or_mask = ~((1 << (phys_addr - PAGE_SHIFT)) - 1);
 			size_and_mask = ~size_or_mask & 0xfff00000;
 		} else if (boot_cpu_data.x86_vendor == X86_VENDOR_CENTAUR &&

diff --git a/trunk/arch/x86_64/kernel/setup.c b/trunk/arch/x86_64/kernel/setup.c
@@ -995,6 +995,11 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 		unsigned eax = cpuid_eax(0x80000008);
 		c->x86_virt_bits = (eax >> 8) & 0xff;
 		c->x86_phys_bits = eax & 0xff;
+		/* CPUID workaround for Intel 0F34 CPU */
+		if (c->x86_vendor == X86_VENDOR_INTEL &&
+		    c->x86 == 0xF && c->x86_model == 0x3 &&
+		    c->x86_mask == 0x4)
+			c->x86_phys_bits = 36;
 	}
 
 	if (c->x86 == 15)