Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
  x86: fix "Kernel panic - not syncing: IO-APIC + timer doesn't work!"
  genirq: revert lazy irq disable for simple irqs
  x86: also define AT_VECTOR_SIZE_ARCH
  x86: kprobes bugfix
  x86: jprobe bugfix
  timer: kernel/timer.c section fixes
  genirq: add unlocked version of set_irq_handler()
  clockevents: fix reprogramming decision in oneshot broadcast
  oprofile: op_model_athlon.c support for AMD family 10h barcelona performance counters

4 files changed, 16 insertions, 2 deletions

diff --git a/include/asm-x86/kprobes_32.h b/include/asm-x86/kprobes_32.h
index b772d5b38685..9fe8f3bddfd5 100644
--- a/include/asm-x86/kprobes_32.h
+++ b/include/asm-x86/kprobes_32.h
@@ -73,7 +73,7 @@ struct kprobe_ctlblk {
         unsigned long kprobe_status;
         unsigned long kprobe_old_eflags;
         unsigned long kprobe_saved_eflags;
-        long *jprobe_saved_esp;
+        unsigned long *jprobe_saved_esp;
         struct pt_regs jprobe_saved_regs;
         kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
         struct prev_kprobe prev_kprobe;
diff --git a/include/asm-x86/kprobes_64.h b/include/asm-x86/kprobes_64.h
index 53f4d8507354..743d76218fc9 100644
--- a/include/asm-x86/kprobes_64.h
+++ b/include/asm-x86/kprobes_64.h
@@ -66,7 +66,7 @@ struct kprobe_ctlblk {
         unsigned long kprobe_status;
         unsigned long kprobe_old_rflags;
         unsigned long kprobe_saved_rflags;
-        long *jprobe_saved_rsp;
+        unsigned long *jprobe_saved_rsp;
         struct pt_regs jprobe_saved_regs;
         kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
         struct prev_kprobe prev_kprobe;
diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h
index 4cb23848d460..6e9e4841a2da 100644
--- a/include/asm-x86/system_64.h
+++ b/include/asm-x86/system_64.h
@@ -7,6 +7,13 @@
 
 #ifdef __KERNEL__
 
+/* entries in ARCH_DLINFO: */
+#ifdef CONFIG_IA32_EMULATION
+# define AT_VECTOR_SIZE_ARCH 2
+#else
+# define AT_VECTOR_SIZE_ARCH 1
+#endif
+
 #define __SAVE(reg,offset) "movq %%" #reg ",(14-" #offset ")*8(%%rsp)\n\t"
 #define __RESTORE(reg,offset) "movq (14-" #offset ")*8(%%rsp),%%" #reg "\n\t"
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index efc88538b2ba..4669be080617 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -339,6 +339,13 @@ extern void
 __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
                   const char *name);
 
+/* caller has locked the irq_desc and both params are valid */
+static inline void __set_irq_handler_unlocked(int irq,
+                                              irq_flow_handler_t handler)
+{
+        irq_desc[irq].handle_irq = handler;
+}
+
 /*
  * Set a highlevel flow handler for a given IRQ:
  */