On 02/05/2014 04:31 AM, Allen Pais wrote:

quoted

Have tested it on UltraSparc T4 (Niagara4). 

Allen Pais (4):
  sparc64: use generic rwsem spinlocks rt
  sparc64: allow forced irq threading
  sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t
  sparc64: convert ctx_alloc_lock raw_spinlock_t

 arch/sparc/Kconfig                      |    7 +++----
 arch/sparc/include/asm/mmu_64.h         |    2 +-
 arch/sparc/include/asm/mmu_context_64.h |   10 +++++-----
 arch/sparc/kernel/smp_64.c              |    4 ++--
 arch/sparc/mm/init_64.c                 |   14 +++++++-------
 arch/sparc/mm/tsb.c                     |   20 ++++++++++----------
 6 files changed, 28 insertions(+), 29 deletions(-)

Sebastian, Any idea on the status of these patches?

I took that all in one I think so they are part of -RT. These individual
should go upstream via DaveM / the sparc tree.

Thanks,
Allen

Sebastian