diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/kprobes.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/traps.c | 12 |
2 files changed, 4 insertions, 13 deletions
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c index d28513f14d05..3f9abe0e9aff 100644 --- a/arch/arm/kernel/kprobes.c +++ b/arch/arm/kernel/kprobes.c | |||
@@ -200,9 +200,12 @@ void __kprobes kprobe_handler(struct pt_regs *regs) | |||
200 | } | 200 | } |
201 | } | 201 | } |
202 | 202 | ||
203 | int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr) | 203 | static int __kprobes kprobe_trap_handler(struct pt_regs *regs, unsigned int instr) |
204 | { | 204 | { |
205 | unsigned long flags; | ||
206 | local_irq_save(flags); | ||
205 | kprobe_handler(regs); | 207 | kprobe_handler(regs); |
208 | local_irq_restore(flags); | ||
206 | return 0; | 209 | return 0; |
207 | } | 210 | } |
208 | 211 | ||
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 872f1f8fbb57..46e2c8315a33 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c | |||
@@ -19,7 +19,6 @@ | |||
19 | #include <linux/kallsyms.h> | 19 | #include <linux/kallsyms.h> |
20 | #include <linux/delay.h> | 20 | #include <linux/delay.h> |
21 | #include <linux/init.h> | 21 | #include <linux/init.h> |
22 | #include <linux/kprobes.h> | ||
23 | 22 | ||
24 | #include <asm/atomic.h> | 23 | #include <asm/atomic.h> |
25 | #include <asm/cacheflush.h> | 24 | #include <asm/cacheflush.h> |
@@ -328,17 +327,6 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) | |||
328 | get_user(instr, (u32 __user *)pc); | 327 | get_user(instr, (u32 __user *)pc); |
329 | } | 328 | } |
330 | 329 | ||
331 | #ifdef CONFIG_KPROBES | ||
332 | /* | ||
333 | * It is possible to have recursive kprobes, so we can't call | ||
334 | * the kprobe trap handler with the undef_lock held. | ||
335 | */ | ||
336 | if (instr == KPROBE_BREAKPOINT_INSTRUCTION && !user_mode(regs)) { | ||
337 | kprobe_trap_handler(regs, instr); | ||
338 | return; | ||
339 | } | ||
340 | #endif | ||
341 | |||
342 | if (call_undef_hook(regs, instr) == 0) | 330 | if (call_undef_hook(regs, instr) == 0) |
343 | return; | 331 | return; |
344 | 332 | ||