x86-64: clean up linker script

Remove the dead .text.lock. Move _etext and __{start,stop}___ex_table
into their sections.
Signed-off-by: NJan Beulich <jbeulich@novell.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/vmlinux_64.lds.S

@@ -37,16 +37,15 @@ SECTIONS
 	KPROBES_TEXT
 	*(.fixup)
 	*(.gnu.warning)
-	} :text = 0x9090
-  				/* out-of-line lock text */
-  .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }
-
-  _etext = .;			/* End of text section */
+	_etext = .;			/* End of text section */
+  } :text = 0x9090
 
   . = ALIGN(16);		/* Exception table */
-  __start___ex_table = .;
-  __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
-  __stop___ex_table = .;
+  __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+  	__start___ex_table = .;
+	 *(__ex_table)
+  	__stop___ex_table = .;
+  }
 
   NOTES :text :note