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-rw-r--r--arch/arm/kernel/traps.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 872f1f8fbb57..57e6874d0b80 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -19,15 +19,13 @@
#include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/init.h>
-#include <linux/kprobes.h>
+#include <linux/uaccess.h>
#include <asm/atomic.h>
#include <asm/cacheflush.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <asm/traps.h>
-#include <asm/io.h>
#include "ptrace.h"
#include "signal.h"
@@ -69,7 +67,8 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long
*/
static int verify_stack(unsigned long sp)
{
- if (sp < PAGE_OFFSET || (sp > (unsigned long)high_memory && high_memory != 0))
+ if (sp < PAGE_OFFSET ||
+ (sp > (unsigned long)high_memory && high_memory != NULL))
return -EFAULT;
return 0;
@@ -328,17 +327,6 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
get_user(instr, (u32 __user *)pc);
}
-#ifdef CONFIG_KPROBES
- /*
- * It is possible to have recursive kprobes, so we can't call
- * the kprobe trap handler with the undef_lock held.
- */
- if (instr == KPROBE_BREAKPOINT_INSTRUCTION && !user_mode(regs)) {
- kprobe_trap_handler(regs, instr);
- return;
- }
-#endif
-
if (call_undef_hook(regs, instr) == 0)
return;