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From:   Max Filippov <jcmvbkbc@gmail.com>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org,
        Chris Zankel <chris@zankel.net>,
        Max Filippov <jcmvbkbc@gmail.com>
Subject: [PULL 00/25] Xtensa updates for v4.21
Date:   Fri, 28 Dec 2018 10:31:20 -0800
Message-Id: <20181228183120.23058-1-jcmvbkbc@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi Linus,

please pull the following batch of updates for the Xtensa architecture.

The following changes since commit 2595646791c319cadfdbf271563aac97d0843dc7:

  Linux 4.20-rc5 (2018-12-02 15:07:55 -0800)

are available in the git repository at:

  git://github.com/jcmvbkbc/linux-xtensa.git tags/xtensa-20181228

for you to fetch changes up to 64711f9a47d4defa90417f5e8db8ed0060bc3275:

  xtensa: implement jump_label support (2018-12-20 14:44:38 -0800)

----------------------------------------------------------------
Xtensa updates for v4.21:

- switch to generated syscall table
- switch ptrace to regsets, use regsets for core dumps
- complete tracehook implementation
- add syscall tracepoints support
- add jumplabels support
- add memtest support
- drop unused/duplicated code from entry.S, ptrace.c, coprocessor.S,
  elf.h and syscall.h
- clean up warnings caused by WSR/RSR macros
- clean up DTC warnings about SPI controller node names in xtfpga.dtsi
- simplify coprocessor.S
- get rid of explicit 'l32r' instruction usage in assembly

----------------------------------------------------------------
Dmitry V. Levin (2):
      Move EM_XTENSA to uapi/linux/elf-em.h
      xtensa: define syscall_get_arch()

Firoz Khan (3):
      xtensa: add __NR_syscalls along with __NR_syscall_count
      xtensa: add system call table generation support
      xtensa: generate uapi header and syscall table header files

Max Filippov (20):
      xtensa: drop fast_syscall_kernel
      xtensa: drop unused field from the struct exc_table
      xtensa: drop custom PTRACE_{PEEK,POKE}{TEXT,DATA}
      xtensa: drop unused coprocessor helper functions
      xtensa: clean up syscall.h
      xtensa: drop unused declarations from elf.h
      xtensa: clean up WSR*/RSR*/get_sr/set_sr
      xtensa: simplify coprocessor.S
      xtensa: don't clear cpenable unconditionally on release
      xtensa: xtfpga.dtsi: fix dtc warnings about SPI
      xtensa: don't use l32r opcode directly
      xtensa: support memtest
      xtensa: use NO_SYSCALL instead of -1
      xtensa: call do_syscall_trace_{enter,leave} selectively
      xtensa: implement task_user_regset_view
      xtensa: implement TIE regset
      xtensa: enable CORE_DUMP_USE_REGSET
      xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK
      xtensa: implement syscall tracepoints
      xtensa: implement jump_label support

 .../features/core/jump-labels/arch-support.txt     |   2 +-
 arch/xtensa/Kconfig                                |   3 +
 arch/xtensa/Makefile                               |   3 +
 arch/xtensa/boot/boot-elf/bootstrap.S              |  29 +-
 arch/xtensa/boot/dts/xtfpga.dtsi                   |   2 +-
 arch/xtensa/include/asm/Kbuild                     |   1 +
 arch/xtensa/include/asm/coprocessor.h              |  23 -
 arch/xtensa/include/asm/elf.h                      |  33 +-
 arch/xtensa/include/asm/futex.h                    |   8 +-
 arch/xtensa/include/asm/irqflags.h                 |   1 +
 arch/xtensa/include/asm/jump_label.h               |  65 ++
 arch/xtensa/include/asm/processor.h                |  18 +-
 arch/xtensa/include/asm/ptrace.h                   |   7 +
 arch/xtensa/include/asm/syscall.h                  | 109 ++-
 arch/xtensa/include/asm/thread_info.h              |   9 +-
 arch/xtensa/include/asm/timex.h                    |  18 +-
 arch/xtensa/include/asm/traps.h                    |   2 -
 arch/xtensa/include/asm/uaccess.h                  |  10 +-
 arch/xtensa/include/asm/unistd.h                   |   2 +
 arch/xtensa/include/uapi/asm/Kbuild                |   1 +
 arch/xtensa/include/uapi/asm/ptrace.h              |  20 +-
 arch/xtensa/include/uapi/asm/unistd.h              | 781 +--------------------
 arch/xtensa/kernel/Makefile                        |   1 +
 arch/xtensa/kernel/asm-offsets.c                   |   2 -
 arch/xtensa/kernel/coprocessor.S                   | 102 +--
 arch/xtensa/kernel/entry.S                         |  45 +-
 arch/xtensa/kernel/head.S                          |   8 +-
 arch/xtensa/kernel/hw_breakpoint.c                 |  21 +-
 arch/xtensa/kernel/jump_label.c                    |  99 +++
 arch/xtensa/kernel/process.c                       |  55 +-
 arch/xtensa/kernel/ptrace.c                        | 353 ++++++----
 arch/xtensa/kernel/setup.c                         |   8 +-
 arch/xtensa/kernel/signal.c                        |   8 +-
 arch/xtensa/kernel/syscall.c                       |  11 +-
 arch/xtensa/kernel/syscalls/Makefile               |  38 +
 arch/xtensa/kernel/syscalls/syscall.tbl            | 374 ++++++++++
 arch/xtensa/kernel/syscalls/syscallhdr.sh          |  36 +
 arch/xtensa/kernel/syscalls/syscalltbl.sh          |  32 +
 arch/xtensa/kernel/traps.c                         |  10 +-
 arch/xtensa/mm/init.c                              |   3 +
 drivers/irqchip/irq-xtensa-mx.c                    |  10 +-
 drivers/irqchip/irq-xtensa-pic.c                   |   8 +-
 include/uapi/linux/audit.h                         |   1 +
 include/uapi/linux/elf-em.h                        |   1 +
 44 files changed, 1117 insertions(+), 1256 deletions(-)
 create mode 100644 arch/xtensa/include/asm/jump_label.h
 create mode 100644 arch/xtensa/kernel/jump_label.c
 create mode 100644 arch/xtensa/kernel/syscalls/Makefile
 create mode 100644 arch/xtensa/kernel/syscalls/syscall.tbl
 create mode 100644 arch/xtensa/kernel/syscalls/syscallhdr.sh
 create mode 100644 arch/xtensa/kernel/syscalls/syscalltbl.sh

Thanks.
-- Max