---

yaml --- r: 112276 b: refs/heads/master c: 3305a60 h: refs/heads/master v: v3
git-mirror · Sep 1, 2008 · f5b92a4 · f5b92a4
1 parent 1b77805
commit f5b92a4
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Showing 4 changed files with 5 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ac9d7efc7da0d88f9e7a1e0f532da35b7673098e
+refs/heads/master: 3305a60795442a22fe8e9f5fb93a6f1f8dea6bb2
diff --git a/trunk/arch/arm/include/asm/kprobes.h b/trunk/arch/arm/include/asm/kprobes.h
@@ -61,7 +61,6 @@ struct kprobe_ctlblk {
 void arch_remove_kprobe(struct kprobe *);
 void kretprobe_trampoline(void);
 
-int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr);
 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr);
 int kprobe_exceptions_notify(struct notifier_block *self,
 			     unsigned long val, void *data);

diff --git a/trunk/arch/arm/kernel/kprobes.c b/trunk/arch/arm/kernel/kprobes.c
@@ -200,9 +200,12 @@ void __kprobes kprobe_handler(struct pt_regs *regs)
 	}
 }
 
-int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
+static int __kprobes kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
 {
+	unsigned long flags;
+	local_irq_save(flags);
 	kprobe_handler(regs);
+	local_irq_restore(flags);
 	return 0;
 }
 

diff --git a/trunk/arch/arm/kernel/traps.c b/trunk/arch/arm/kernel/traps.c
@@ -19,7 +19,6 @@
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/kprobes.h>
 
 #include <asm/atomic.h>
 #include <asm/cacheflush.h>
@@ -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;