Merge commit 'perf/core' into perf/hw-breakpoint

Conflicts:
	kernel/Makefile
	kernel/trace/Makefile
	kernel/trace/trace.h
	samples/Makefile

Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.

arch/x86/kernel/traps.c

@@ -14,7 +14,6 @@
 #include <linux/spinlock.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>
-#include <linux/utsname.h>
 #include <linux/kdebug.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -59,12 +58,12 @@
 #include <asm/mach_traps.h>
 
 #ifdef CONFIG_X86_64
+#include <asm/x86_init.h>
 #include <asm/pgalloc.h>
 #include <asm/proto.h>
 #else
 #include <asm/processor-flags.h>
 #include <asm/setup.h>
-#include <asm/traps.h>
 
 asmlinkage int system_call(void);
 
@@ -73,11 +72,9 @@ char ignore_fpu_irq;
 
 /*
  * The IDT has to be page-aligned to simplify the Pentium
- * F0 0F bug workaround.. We have a special link segment
- * for this.
+ * F0 0F bug workaround.
  */
-gate_desc idt_table[NR_VECTORS]
-	__attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, };
+gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, };
 #endif
 
 DECLARE_BITMAP(used_vectors, NR_VECTORS);
@@ -951,7 +948,5 @@ void __init trap_init(void)
 	 */
 	cpu_init();
 
-#ifdef CONFIG_X86_32
-	x86_quirk_trap_init();
-#endif
+	x86_init.irqs.trap_init();
 }