[GIT PULL] RISC-V Updates for 4.21-rc2 v2

[GIT PULL] RISC-V Updates for 4.21-rc2 v2

[Palmer Dabbelt]

The following changes since commit bfeffd155283772bbe78c6a05dec7c0128ee500c:

  Linux 5.0-rc1 (2019-01-06 17:08:20 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux.git tags/riscv-for-linus-4.21-rc2-v2

for you to fetch changes up to 27de1f541f1f911bc2242ae68ef7375247b36c7d:

  tty/serial: Add RISC-V SBI earlycon support (2019-01-09 14:59:57 -0800)

----------------------------------------------------------------
RISC-V Updates for 4.21-rc2 v2

This tag contains a handful of updates that slipped through the cracks
during the merge window due to the holidays.  The fixes are mostly
independent, with the exception of one larger audit-related branch.
There's more information about the audit branch in that merge, the rest
are:

* The BSS has been moved, which shrinks flat images.
* A fix to test-bpf so it compiles on RV64I-based systems.
* A fix to respect the kernel commandline when there is no device tree.
* A fix to prevent CPUs from trying to put themselves to sleep when
  bringing down the system.
* Support for MODULE_SECTIONS on RV32I-based systems.
* [new in v2] The addition of an SBI earlycon driver.  This is
  definately a new feature, but I'd like to include it now because I
  dropped this patch when submitting the merge window PR that removed our
  EARLY_PRINTK support.

As usual, I've tested this by booting a Fedora-based image on a recent
QEMU (this time just whatever I had lying around).

---

Just a note: I did find when testing that the generic PCI controller hangs
boots on QEMU.  Everything is unstable (rc1 kernel, QEMU in merge window, and
I've never tried this specific PCI controller before) so it's probably not a
regression, but it's definately a bug.

----------------------------------------------------------------
Andreas Schwab (1):
      riscv: don't stop itself in smp_send_stop

Anup Patel (2):
      RISC-V: Make BSS section as the last section in vmlinux.lds.S
      tty/serial: Add RISC-V SBI earlycon support

Aurelien Jarno (1):
      tools uapi: fix RISC-V 64-bit support

David Abdurachmanov (6):
      riscv: add audit support
      riscv: audit: add audit hook in do_syscall_trace_enter/exit()
      riscv: define NR_syscalls in unistd.h
      riscv: define CREATE_TRACE_POINTS in ptrace.c
      riscv: fix trace_sys_exit hook
      riscv: add HAVE_SYSCALL_TRACEPOINTS to Kconfig

Palmer Dabbelt (1):
      Fix a handful of audit-related issue

Paul Walmsley (3):
      arch: riscv: support kernel command line forcing when no DTB passed
      MAINTAINERS: SiFive drivers: change the git tree to a SiFive git tree
      MAINTAINERS: SiFive drivers: add myself as a SiFive driver maintainer

Zong Li (1):
      RISC-V: Support MODULE_SECTIONS mechanism on RV32

 MAINTAINERS                                     |  3 +-
 arch/riscv/Kconfig                              |  4 ++-
 arch/riscv/include/asm/module.h                 | 28 ++++++++--------
 arch/riscv/include/asm/ptrace.h                 |  5 +++
 arch/riscv/include/asm/syscall.h                | 10 ++++++
 arch/riscv/include/asm/thread_info.h            |  6 ++++
 arch/riscv/include/asm/unistd.h                 |  2 ++
 arch/riscv/kernel/entry.S                       |  4 +--
 arch/riscv/kernel/module-sections.c             | 30 +++++++++--------
 arch/riscv/kernel/ptrace.c                      |  9 +++++-
 arch/riscv/kernel/setup.c                       |  9 +++++-
 arch/riscv/kernel/smp.c                         | 43 +++++++++++++++++++++----
 arch/riscv/kernel/vmlinux.lds.S                 |  8 +++--
 drivers/tty/serial/Kconfig                      | 12 +++++++
 drivers/tty/serial/Makefile                     |  1 +
 drivers/tty/serial/earlycon-riscv-sbi.c         | 28 ++++++++++++++++
 include/uapi/linux/audit.h                      |  2 ++
 tools/arch/riscv/include/uapi/asm/bitsperlong.h | 25 ++++++++++++++
 tools/include/uapi/asm/bitsperlong.h            |  2 ++
 19 files changed, 189 insertions(+), 42 deletions(-)
 create mode 100644 drivers/tty/serial/earlycon-riscv-sbi.c
 create mode 100644 tools/arch/riscv/include/uapi/asm/bitsperlong.h

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