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Diffstat (limited to 'arch/x86/mm/kmemcheck/kmemcheck.c')
-rw-r--r--arch/x86/mm/kmemcheck/kmemcheck.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
index 6931e5115bc..2c55ed09865 100644
--- a/arch/x86/mm/kmemcheck/kmemcheck.c
+++ b/arch/x86/mm/kmemcheck/kmemcheck.c
@@ -29,8 +29,10 @@
#include "error.h"
#include "opcode.h"
#include "pte.h"
+#include "selftest.h"
#include "shadow.h"
+
#ifdef CONFIG_KMEMCHECK_DISABLED_BY_DEFAULT
# define KMEMCHECK_ENABLED 0
#endif
@@ -47,8 +49,6 @@ int kmemcheck_enabled = KMEMCHECK_ENABLED;
int __init kmemcheck_init(void)
{
- printk(KERN_INFO "kmemcheck: Initialized\n");
-
#ifdef CONFIG_SMP
/*
* Limit SMP to use a single CPU. We rely on the fact that this code
@@ -61,25 +61,18 @@ int __init kmemcheck_init(void)
}
#endif
+ if (!kmemcheck_selftest()) {
+ printk(KERN_INFO "kmemcheck: self-tests failed; disabling\n");
+ kmemcheck_enabled = 0;
+ return -EINVAL;
+ }
+
+ printk(KERN_INFO "kmemcheck: Initialized\n");
return 0;
}
early_initcall(kmemcheck_init);
-#ifdef CONFIG_KMEMCHECK_DISABLED_BY_DEFAULT
-# define KMEMCHECK_ENABLED 0
-#endif
-
-#ifdef CONFIG_KMEMCHECK_ENABLED_BY_DEFAULT
-# define KMEMCHECK_ENABLED 1
-#endif
-
-#ifdef CONFIG_KMEMCHECK_ONESHOT_BY_DEFAULT
-# define KMEMCHECK_ENABLED 2
-#endif
-
-int kmemcheck_enabled = KMEMCHECK_ENABLED;
-
/*
* We need to parse the kmemcheck= option before any memory is allocated.
*/