Merge commit 'v2.6.29-rc4' into perfcounters/core

Conflicts:
	arch/x86/kernel/setup_percpu.c
	arch/x86/mm/fault.c
	drivers/acpi/processor_idle.c
	kernel/irq/handle.c

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index eb0a0703f4c9..8f8f61a1fce8 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -347,6 +347,7 @@ ENTRY(save_args)
         popq_cfi %rax                   /* move return address... */
         mov PER_CPU_VAR(irq_stack_ptr),%rsp
         EMPTY_FRAME 0
+        pushq_cfi %rbp                  /* backlink for unwinder */
         pushq_cfi %rax                  /* ... to the new stack */
         /*
          * We entered an interrupt context - irqs are off: