Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

Pull arch/tile updates from Chris Metcalf:
 "These are a grab bag of changes to improve debugging and respond to a
  variety of issues raised on LKML over the last couple of months"

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: avoid a "label not used" warning in do_page_fault()
  tile: vdso: use raw_read_seqcount_begin() in vdso
  tile: force CONFIG_TILEGX if ARCH != tilepro
  tile: improve stack backtrace
  tile: fix "odd fault" warning for stack backtraces
  tile: set up initial stack top to honor STACK_TOP_DELTA
  tile: support delivering NMIs for multicore backtrace
  drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN
  tile: add <asm/word-at-a-time.h> and enable support functions
  tile: use READ_ONCE() in arch_spin_is_locked()
  tile: modify arch_spin_unlock_wait() semantics

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index d366675e4bf8..99c9ff87e018 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -71,7 +71,7 @@ static unsigned long __initdata node_percpu[MAX_NUMNODES];
  * per-CPU stack and boot info.
  */
 DEFINE_PER_CPU(unsigned long, boot_sp) =
-	(unsigned long)init_stack + THREAD_SIZE;
+	(unsigned long)init_stack + THREAD_SIZE - STACK_TOP_DELTA;
 
 #ifdef CONFIG_SMP
 DEFINE_PER_CPU(unsigned long, boot_pc) = (unsigned long)start_kernel;