Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [RAPIDIO] Change RapidIO doorbell source and target ID field to 16-bit
  [RAPIDIO] Add RapidIO connection info print out and re-training for broken connections
  [RAPIDIO] Add serial RapidIO controller support, which includes MPC8548, MPC8641
  [RAPIDIO] Add RapidIO node probing into MPC86xx_HPCN board id table
  [RAPIDIO] Add RapidIO node into MPC8641HPCN dts file
  [RAPIDIO] Auto-probe the RapidIO system size
  [RAPIDIO] Add OF-tree support to RapidIO controller driver
  [RAPIDIO] Add RapidIO multi mport support
  [RAPIDIO] Move include/asm-ppc/rio.h to asm-powerpc
  [RAPIDIO] Add RapidIO option to kernel configuration
  [RAPIDIO] Change RIO function mpc85xx_ to fsl_
  [POWERPC] Provide walk_memory_resource() for powerpc
  [POWERPC] Update lmb data structures for hotplug memory add/remove
  [POWERPC] Hotplug memory remove notifications for powerpc
  [POWERPC] windfarm: Add PowerMac 12,1 support
  [POWERPC] Fix building of pmac32 when CONFIG_NVRAM=m
  [POWERPC] Add IRQSTACKS support on ppc32
  [POWERPC] Use __always_inline for xchg* and cmpxchg*
  [POWERPC] Add fast little-endian switch system call

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 6caad17ea72e..7de41c3948ec 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -589,6 +589,8 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
         kregs = (struct pt_regs *) sp;
         sp -= STACK_FRAME_OVERHEAD;
         p->thread.ksp = sp;
+        p->thread.ksp_limit = (unsigned long)task_stack_page(p) +
+                                _ALIGN_UP(sizeof(struct thread_info), 16);
 
 #ifdef CONFIG_PPC64
         if (cpu_has_feature(CPU_FTR_SLB)) {