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Diffstat (limited to 'arch/i386/kernel/kprobes.c')
-rw-r--r--arch/i386/kernel/kprobes.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index de2e16e561c0..afe6505ca0b3 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -256,11 +256,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
256 int ret = 0; 256 int ret = 0;
257 kprobe_opcode_t *addr; 257 kprobe_opcode_t *addr;
258 struct kprobe_ctlblk *kcb; 258 struct kprobe_ctlblk *kcb;
259#ifdef CONFIG_PREEMPT
260 unsigned pre_preempt_count = preempt_count();
261#else
262 unsigned pre_preempt_count = 1;
263#endif
264 259
265 addr = (kprobe_opcode_t *)(regs->eip - sizeof(kprobe_opcode_t)); 260 addr = (kprobe_opcode_t *)(regs->eip - sizeof(kprobe_opcode_t));
266 261
@@ -338,13 +333,15 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
338 return 1; 333 return 1;
339 334
340ss_probe: 335ss_probe:
341 if (pre_preempt_count && p->ainsn.boostable == 1 && !p->post_handler){ 336#ifndef CONFIG_PREEMPT
337 if (p->ainsn.boostable == 1 && !p->post_handler){
342 /* Boost up -- we can execute copied instructions directly */ 338 /* Boost up -- we can execute copied instructions directly */
343 reset_current_kprobe(); 339 reset_current_kprobe();
344 regs->eip = (unsigned long)p->ainsn.insn; 340 regs->eip = (unsigned long)p->ainsn.insn;
345 preempt_enable_no_resched(); 341 preempt_enable_no_resched();
346 return 1; 342 return 1;
347 } 343 }
344#endif
348 prepare_singlestep(p, regs); 345 prepare_singlestep(p, regs);
349 kcb->kprobe_status = KPROBE_HIT_SS; 346 kcb->kprobe_status = KPROBE_HIT_SS;
350 return 1; 347 return 1;