[X86] Remove pointless versioning of mtrr driver.

[linux-2.6] / arch / i386 / kernel / cpu / mtrr / main.c

diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c
index 764cac64e21191310d198e3bd590564e6939d76f..3b4618bed70d56fd1bc79087652b7b3c10791376 100644 (file)
--- a/arch/i386/kernel/cpu/mtrr/main.c
+++ b/arch/i386/kernel/cpu/mtrr/main.c
@@ -44,12 +44,10 @@
 #include <asm/msr.h>
 #include "mtrr.h"
 
-#define MTRR_VERSION            "2.0 (20020519)"
-
 u32 num_var_ranges = 0;
 
 unsigned int *usage_table;
-static DECLARE_MUTEX(main_lock);
+static DECLARE_MUTEX(mtrr_sem);
 
 u32 size_or_mask, size_and_mask;
 
@@ -335,7 +333,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
        /* No CPU hotplug when we change MTRR entries */
        lock_cpu_hotplug();
        /*  Search for existing MTRR  */
-       down(&main_lock);
+       down(&mtrr_sem);
        for (i = 0; i < num_var_ranges; ++i) {
                mtrr_if->get(i, &lbase, &lsize, &ltype);
                if (base >= lbase + lsize)
@@ -373,7 +371,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
                printk(KERN_INFO "mtrr: no more MTRRs available\n");
        error = i;
  out:
-       up(&main_lock);
+       up(&mtrr_sem);
        unlock_cpu_hotplug();
        return error;
 }
@@ -466,7 +464,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
        max = num_var_ranges;
        /* No CPU hotplug when we change MTRR entries */
        lock_cpu_hotplug();
-       down(&main_lock);
+       down(&mtrr_sem);
        if (reg < 0) {
                /*  Search for existing MTRR  */
                for (i = 0; i < max; ++i) {
@@ -505,7 +503,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
                set_mtrr(reg, 0, 0, 0);
        error = reg;
  out:
-       up(&main_lock);
+       up(&mtrr_sem);
        unlock_cpu_hotplug();
        return error;
 }
@@ -561,7 +559,7 @@ struct mtrr_value {
 
 static struct mtrr_value * mtrr_state;
 
-static int mtrr_save(struct sys_device * sysdev, u32 state)
+static int mtrr_save(struct sys_device * sysdev, pm_message_t state)
 {
        int i;
        int size = num_var_ranges * sizeof(struct mtrr_value);
@@ -626,6 +624,14 @@ 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 &&
@@ -663,7 +669,6 @@ void __init mtrr_bp_init(void)
                        break;
                }
        }
-       printk(KERN_INFO "mtrr: v%s\n",MTRR_VERSION);
 
        if (mtrr_if) {
                set_num_var_ranges();
@@ -680,7 +685,7 @@ void mtrr_ap_init(void)
        if (!mtrr_if || !use_intel())
                return;
        /*
-        * Ideally we should hold main_lock here to avoid mtrr entries changed,
+        * Ideally we should hold mtrr_sem here to avoid mtrr entries changed,
         * but this routine will be called in cpu boot time, holding the lock
         * breaks it. This routine is called in two cases: 1.very earily time
         * of software resume, when there absolutely isn't mtrr entry changes;