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Diffstat (limited to 'arch/x86/kernel/cpu/mtrr/if.c')
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index c7d8f175674..91e150acb46 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -11,10 +11,6 @@
#include <asm/mtrr.h>
#include "mtrr.h"
-/* RED-PEN: this is accessed without any locking */
-extern unsigned int *usage_table;
-
-
#define FILE_FCOUNT(f) (((struct seq_file *)((f)->private_data))->private)
static const char *const mtrr_strings[MTRR_NUM_TYPES] =
@@ -37,7 +33,7 @@ const char *mtrr_attrib_to_str(int x)
static int
mtrr_file_add(unsigned long base, unsigned long size,
- unsigned int type, char increment, struct file *file, int page)
+ unsigned int type, bool increment, struct file *file, int page)
{
int reg, max;
unsigned int *fcount = FILE_FCOUNT(file);
@@ -55,7 +51,7 @@ mtrr_file_add(unsigned long base, unsigned long size,
base >>= PAGE_SHIFT;
size >>= PAGE_SHIFT;
}
- reg = mtrr_add_page(base, size, type, 1);
+ reg = mtrr_add_page(base, size, type, true);
if (reg >= 0)
++fcount[reg];
return reg;
@@ -141,7 +137,7 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos)
size >>= PAGE_SHIFT;
err =
mtrr_add_page((unsigned long) base, (unsigned long) size, i,
- 1);
+ true);
if (err < 0)
return err;
return len;
@@ -217,7 +213,7 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
err =
- mtrr_file_add(sentry.base, sentry.size, sentry.type, 1,
+ mtrr_file_add(sentry.base, sentry.size, sentry.type, true,
file, 0);
break;
case MTRRIOC_SET_ENTRY:
@@ -226,7 +222,7 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
#endif
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- err = mtrr_add(sentry.base, sentry.size, sentry.type, 0);
+ err = mtrr_add(sentry.base, sentry.size, sentry.type, false);
break;
case MTRRIOC_DEL_ENTRY:
#ifdef CONFIG_COMPAT
@@ -270,7 +266,7 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
err =
- mtrr_file_add(sentry.base, sentry.size, sentry.type, 1,
+ mtrr_file_add(sentry.base, sentry.size, sentry.type, true,
file, 1);
break;
case MTRRIOC_SET_PAGE_ENTRY:
@@ -279,7 +275,8 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
#endif
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- err = mtrr_add_page(sentry.base, sentry.size, sentry.type, 0);
+ err =
+ mtrr_add_page(sentry.base, sentry.size, sentry.type, false);
break;
case MTRRIOC_DEL_PAGE_ENTRY:
#ifdef CONFIG_COMPAT
@@ -396,7 +393,7 @@ static int mtrr_seq_show(struct seq_file *seq, void *offset)
for (i = 0; i < max; i++) {
mtrr_if->get(i, &base, &size, &type);
if (size == 0)
- usage_table[i] = 0;
+ mtrr_usage_table[i] = 0;
else {
if (size < (0x100000 >> PAGE_SHIFT)) {
/* less than 1MB */
@@ -410,7 +407,7 @@ static int mtrr_seq_show(struct seq_file *seq, void *offset)
len += seq_printf(seq,
"reg%02i: base=0x%05lx000 (%4luMB), size=%4lu%cB: %s, count=%d\n",
i, base, base >> (20 - PAGE_SHIFT), size, factor,
- mtrr_attrib_to_str(type), usage_table[i]);
+ mtrr_attrib_to_str(type), mtrr_usage_table[i]);
}
}
return 0;