linux-kernel - [GIT PULL] arch/tile changes for v4.2

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Date:	Tue, 30 Jun 2015 13:51:44 -0400
From:	Chris Metcalf <cmetcalf@...hip.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] arch/tile changes for v4.2

Linus,

Please pull the following changes for 4.1 from:

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

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.
  
Chris Metcalf (11):
       tile: modify arch_spin_unlock_wait() semantics
       tile: use READ_ONCE() in arch_spin_is_locked()
       tile: add <asm/word-at-a-time.h> and enable support functions
       drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN
       tile: support delivering NMIs for multicore backtrace
       tile: set up initial stack top to honor STACK_TOP_DELTA
       tile: fix "odd fault" warning for stack backtraces
       tile: improve stack backtrace
       tile: force CONFIG_TILEGX if ARCH != tilepro
       tile: vdso: use raw_read_seqcount_begin() in vdso
       tile: avoid a "label not used" warning in do_page_fault()

  arch/tile/Kconfig                      |   7 +-
  arch/tile/include/asm/irq.h            |   5 ++
  arch/tile/include/asm/processor.h      |   2 -
  arch/tile/include/asm/spinlock_32.h    |   6 +-
  arch/tile/include/asm/spinlock_64.h    |   5 +-
  arch/tile/include/asm/stack.h          |  13 ++--
  arch/tile/include/asm/thread_info.h    |   1 +
  arch/tile/include/asm/traps.h          |   8 ++
  arch/tile/include/asm/uaccess.h        |  66 +++-------------
  arch/tile/include/asm/word-at-a-time.h |  36 +++++++++
  arch/tile/include/hv/hypervisor.h      |  60 +++++++++++++-
  arch/tile/kernel/entry.S               |   7 --
  arch/tile/kernel/hvglue.S              |   3 +-
  arch/tile/kernel/hvglue_trace.c        |   4 +
  arch/tile/kernel/intvec_64.S           |   6 ++
  arch/tile/kernel/process.c             | 138 +++++++++++++++++++++++++++++----
  arch/tile/kernel/setup.c               |   2 +-
  arch/tile/kernel/stack.c               | 125 +++++++++++++++++------------
  arch/tile/kernel/traps.c               |  15 ++++
  arch/tile/kernel/vdso/vgettimeofday.c  |  10 +--
  arch/tile/lib/exports.c                |   3 -
  arch/tile/lib/spinlock_32.c            |  11 ++-
  arch/tile/lib/spinlock_64.c            |  11 ++-
  arch/tile/lib/usercopy_32.S            |  46 -----------
  arch/tile/lib/usercopy_64.S            |  46 -----------
  arch/tile/mm/fault.c                   |  17 ++--
  drivers/tty/hvc/hvc_tile.c             |   3 +-
  27 files changed, 402 insertions(+), 254 deletions(-)
  create mode 100644 arch/tile/include/asm/word-at-a-time.h

-- 
Chris Metcalf, EZChip Semiconductor
http://www.ezchip.com

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