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Diffstat (limited to 'arch/i386/kernel/cpu/mtrr/main.c')
-rw-r--r--arch/i386/kernel/cpu/mtrr/main.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c
index 1e9db198c440..3b4618bed70d 100644
--- 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;
}
@@ -671,7 +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();
@@ -688,7 +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;