diff options
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/kernel/kprobes.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 00d9c83b8020..781960f80b6f 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c | |||
@@ -448,11 +448,20 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) | |||
448 | return 0; | 448 | return 0; |
449 | } | 449 | } |
450 | 450 | ||
451 | void __kprobes flush_insn_slot(struct kprobe *p) | ||
452 | { | ||
453 | unsigned long arm_addr; | ||
454 | |||
455 | arm_addr = ((unsigned long)&p->opcode.bundle) & ~0xFULL; | ||
456 | flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t)); | ||
457 | } | ||
458 | |||
451 | void __kprobes arch_arm_kprobe(struct kprobe *p) | 459 | void __kprobes arch_arm_kprobe(struct kprobe *p) |
452 | { | 460 | { |
453 | unsigned long addr = (unsigned long)p->addr; | 461 | unsigned long addr = (unsigned long)p->addr; |
454 | unsigned long arm_addr = addr & ~0xFULL; | 462 | unsigned long arm_addr = addr & ~0xFULL; |
455 | 463 | ||
464 | flush_insn_slot(p); | ||
456 | memcpy((char *)arm_addr, &p->ainsn.insn.bundle, sizeof(bundle_t)); | 465 | memcpy((char *)arm_addr, &p->ainsn.insn.bundle, sizeof(bundle_t)); |
457 | flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t)); | 466 | flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t)); |
458 | } | 467 | } |