[GIT PULL] RISC-V Updates for the 4.18 Merge Window

[Palmer Dabbelt]

The following changes since commit 29dcea88779c856c7dc92040a0c01233263101d4:

Linux 4.17 (2018-06-03 14:15:21 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux.git tags/riscv-for-linus-4.18-merge_window

for you to fetch changes up to 24a130ccfe58e0ef7907ce63030ad0ff7d7c633b:

RISC-V: Add CONFIG_HVC_RISCV_SBI=y to defconfig (2018-06-11 09:16:24 -0700)

----------------------------------------------------------------
RISC-V Updates for the 4.18 Merge Window

This tag contains some small RISC-V updates I'd like to target for 4.18.
They are all fairly small this time. Here's a short summary, there's
more info in the commits/merges.

* A fix to __clear_user to respect the passed arguments.
* Enough support for the perf subsystem to work with RISC-V's ISA
defined performance counters.
* Support for sparse and cleanups suggested by it.
* Support for R_RISCV_32 (a relocation, not the 32-bit ISA).
* Some MAINTAINERS cleanups.
* The addition of CONFIG_HVC_RISCV_SBI to our defconfig, as it's always
present.

I've given these a simple build+boot test.

----------------------------------------------------------------
Alan Kao (4):
riscv: Fix the bug in memory access fixup code
perf: riscv: preliminary RISC-V support
perf: riscv: Add Document for Future Porting Guide
riscv/ftrace: Export _mcount when DYNAMIC_FTRACE isn't set

Andreas Schwab (1):
RISC-V: Handle R_RISCV_32 in modules

Luc Van Oostenryck (4):
riscv: use NULL instead of a plain 0
riscv: no __user for probe_kernel_address()
riscv: split the declaration of __copy_user
riscv: add riscv-specific predefines to CHECKFLAGS

Palmer Dabbelt (6):
MAINTAINERS: Add myself as a maintainer for SiFive's drivers
MAINTAINERS: Update Albert's email, he's back at Berkeley
RISC-V: Preliminary Perf Support
MAINTAINERS: RISC-V Updates
RISC-V: Make our port sparse-clean
RISC-V: Add CONFIG_HVC_RISCV_SBI=y to defconfig

Documentation/riscv/pmu.txt | 249 ++++++++++++++++++
MAINTAINERS | 10 +-
arch/riscv/Kconfig | 14 ++
arch/riscv/Makefile | 3 +
arch/riscv/configs/defconfig | 1 +
arch/riscv/include/asm/Kbuild | 1 +
arch/riscv/include/asm/cacheflush.h | 2 +-
arch/riscv/include/asm/perf_event.h | 84 +++++++
arch/riscv/include/asm/tlbflush.h | 2 +-
arch/riscv/include/asm/uaccess.h | 8 +-
arch/riscv/kernel/Makefile | 2 +
arch/riscv/kernel/mcount.S | 2 +-
arch/riscv/kernel/module.c | 12 +
arch/riscv/kernel/perf_event.c | 485 ++++++++++++++++++++++++++++++++++++
arch/riscv/kernel/riscv_ksyms.c | 3 +-
arch/riscv/kernel/traps.c | 2 +-
arch/riscv/lib/uaccess.S | 19 +-
17 files changed, 884 insertions(+), 15 deletions(-)
create mode 100644 Documentation/riscv/pmu.txt
create mode 100644 arch/riscv/include/asm/perf_event.h
create mode 100644 arch/riscv/kernel/perf_event.c