diff options
Diffstat (limited to 'drivers/misc/lkdtm_core.c')
-rw-r--r-- | drivers/misc/lkdtm_core.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/misc/lkdtm_core.c b/drivers/misc/lkdtm_core.c index 31b22f3b5fae..ff28bd03a9e8 100644 --- a/drivers/misc/lkdtm_core.c +++ b/drivers/misc/lkdtm_core.c @@ -51,6 +51,11 @@ #include "lkdtm.h" +#define DEFAULT_COUNT 10 + +static int lkdtm_parse_commandline(void); +static void lkdtm_handler(void); + enum cname { CN_INVALID, CN_INT_HARDWARE_ENTRY, @@ -159,29 +164,30 @@ static char* cp_type[] = { "USERCOPY_KERNEL", }; +/* Global jprobe entry and crashtype. */ static struct jprobe lkdtm_jprobe; +static enum cname lkdtm_crashpoint = CN_INVALID; +static enum ctype lkdtm_crashtype = CT_NONE; -static int lkdtm_parse_commandline(void); -static void lkdtm_handler(void); - -#define DEFAULT_COUNT 10 -static char* cpoint_name; -static char* cpoint_type; -static int cpoint_count = DEFAULT_COUNT; -static int recur_count = -1; +/* Global crash counter and spinlock. */ static int crash_count = DEFAULT_COUNT; static DEFINE_SPINLOCK(crash_count_lock); -static enum cname lkdtm_crashpoint = CN_INVALID; -static enum ctype lkdtm_crashtype = CT_NONE; - +/* Module parameters */ +static int recur_count = -1; module_param(recur_count, int, 0644); MODULE_PARM_DESC(recur_count, " Recursion level for the stack overflow test"); + +static char* cpoint_name; module_param(cpoint_name, charp, 0444); MODULE_PARM_DESC(cpoint_name, " Crash Point, where kernel is to be crashed"); + +static char* cpoint_type; module_param(cpoint_type, charp, 0444); MODULE_PARM_DESC(cpoint_type, " Crash Point Type, action to be taken on "\ "hitting the crash point"); + +static int cpoint_count = DEFAULT_COUNT; module_param(cpoint_count, int, 0644); MODULE_PARM_DESC(cpoint_count, " Crash Point Count, number of times the "\ "crash point is to be hit to trigger action"); |