diff options
Diffstat (limited to 'arch/arm/kernel/traps.c')
| -rw-r--r-- | arch/arm/kernel/traps.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 872f1f8fbb57..79abc4ddc0cf 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -18,16 +18,15 @@ #include <linux/personality.h> #include <linux/kallsyms.h> #include <linux/delay.h> +#include <linux/hardirq.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 +68,8 @@ 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 +328,6 @@ 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; |