kprobes/x86: Remove addressof() operators

The following commit:

  54a7d50 ("x86: mark kprobe templates as character arrays, not single characters")

changed optprobe_template_* to arrays, so we can remove the addressof()
operators from those symbols.

Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Anil S Keshavamurthy <[email protected]>
Cc: David S . Miller <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/150304469798.17009.15886717935027472863.stgit@devbox
Signed-off-by: Ingo Molnar <[email protected]>

Author: mhiramat

arch/x86/include/asm/kprobes.h

@@ -58,8 +58,8 @@ extern __visible kprobe_opcode_t optprobe_template_call[];
 extern __visible kprobe_opcode_t optprobe_template_end[];
 #define MAX_OPTIMIZED_LENGTH (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE)
 #define MAX_OPTINSN_SIZE 				\
-	(((unsigned long)&optprobe_template_end -	\
-	  (unsigned long)&optprobe_template_entry) +	\
+	(((unsigned long)optprobe_template_end -	\
+	  (unsigned long)optprobe_template_entry) +	\
 	 MAX_OPTIMIZED_LENGTH + RELATIVEJUMP_SIZE)
 
 extern const int kretprobe_blacklist_size;

arch/x86/kernel/kprobes/opt.c

@@ -142,11 +142,11 @@ void optprobe_template_func(void);
 STACK_FRAME_NON_STANDARD(optprobe_template_func);
 
 #define TMPL_MOVE_IDX \
-	((long)&optprobe_template_val - (long)&optprobe_template_entry)
+	((long)optprobe_template_val - (long)optprobe_template_entry)
 #define TMPL_CALL_IDX \
-	((long)&optprobe_template_call - (long)&optprobe_template_entry)
+	((long)optprobe_template_call - (long)optprobe_template_entry)
 #define TMPL_END_IDX \
-	((long)&optprobe_template_end - (long)&optprobe_template_entry)
+	((long)optprobe_template_end - (long)optprobe_template_entry)
 
 #define INT3_SIZE sizeof(kprobe_opcode_t)
 
@@ -371,7 +371,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op,
 	}
 
 	/* Copy arch-dep-instance from template */
-	memcpy(buf, &optprobe_template_entry, TMPL_END_IDX);
+	memcpy(buf, optprobe_template_entry, TMPL_END_IDX);
 
 	/* Copy instructions into the out-of-line buffer */
 	ret = copy_optimized_instructions(buf + TMPL_END_IDX, op->kp.addr,