Hi Linus, The following changes since commit 651022382c7f8da46cb4872a545ee1da6d097d2a:
Linux 4.20-rc1 (2018-11-04 15:37:52 -0800) are available in the Git repository at: ssh://g...@gitolite.kernel.org/pub/scm/linux/kernel/git/greentime/linux.git tags/nds32-for-linus-4.20 for you to fetch changes up to 3fb688b03d0c14e661ef20b11aa129048ccde0bf: nds32: support hardware prefetcher (2018-11-08 20:42:49 +0800) ---------------------------------------------------------------- nds32 patches for 4.20 Here is the nds32 patch set based on 4.20-rc1. Contained in here are 1. Perf support 2. Power management support 3. FPU support 4. Hardware prefetcher support 5. Build error fixed 6. Performance enhancement These are the LTP20170427 testing results. Total Tests: 1902 Total Skipped Tests: 603 Total Failures: 410 Kernel Version: 4.20.0-rc1-00016-ge0db606bc023 Machine Architecture: nds32 Hostname: greentime-d15-ae3xx ---------------------------------------------------------------- Nick Hu (1): nds32: Power management for nds32 Nickhu (5): nds32: Fix gcc 8.0 compiler option incompatible. nds32: Fix bug in bitfield.h nds32: Perf porting nds32: Add perf call-graph support. nds32: Add document for NDS32 PMU. Nylon Chen (2): nds32: Fix the items of hwcap_str ordering issue. nds32: support hardware prefetcher Vincent Chen (5): nds32: nds32 FPU port nds32: Support FP emulation nds32: support denormalized result through FP emulator math-emu/op-2.h: Use statement expressions to prevent negative constant shift math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning YueHaibing (1): nds32: Remove duplicated include from pm.c Zong Li (2): nds32: Remove the redundant assignment nds32: Fill all TLB entries with kernel image mapping Documentation/devicetree/bindings/perf/nds32v3-pmu.txt | 17 ++ arch/nds32/Kconfig | 12 + arch/nds32/Kconfig.cpu | 41 ++++ arch/nds32/Makefile | 11 + arch/nds32/boot/dts/ae3xx.dts | 5 + arch/nds32/include/asm/Kbuild | 1 + arch/nds32/include/asm/bitfield.h | 25 ++- arch/nds32/include/asm/elf.h | 11 + arch/nds32/include/asm/fpu.h | 126 +++++++++++ arch/nds32/include/asm/fpuemu.h | 32 +++ arch/nds32/include/asm/nds32_fpu_inst.h | 109 +++++++++ arch/nds32/include/asm/perf_event.h | 16 ++ arch/nds32/include/asm/pmu.h | 386 ++++++++++++++++++++++++++++++++ arch/nds32/include/asm/processor.h | 7 + arch/nds32/include/asm/sfp-machine.h | 158 +++++++++++++ arch/nds32/include/asm/stacktrace.h | 39 ++++ arch/nds32/include/asm/suspend.h | 11 + arch/nds32/include/asm/syscalls.h | 1 + arch/nds32/include/uapi/asm/auxvec.h | 7 + arch/nds32/include/uapi/asm/sigcontext.h | 14 ++ arch/nds32/include/uapi/asm/udftrap.h | 13 ++ arch/nds32/include/uapi/asm/unistd.h | 2 + arch/nds32/kernel/Makefile | 13 +- arch/nds32/kernel/ex-entry.S | 24 +- arch/nds32/kernel/ex-exit.S | 13 +- arch/nds32/kernel/ex-scall.S | 8 +- arch/nds32/kernel/fpu.c | 269 ++++++++++++++++++++++ arch/nds32/kernel/head.S | 13 +- arch/nds32/kernel/perf_event_cpu.c | 1522 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ arch/nds32/kernel/pm.c | 78 +++++++ arch/nds32/kernel/process.c | 64 +++++- arch/nds32/kernel/setup.c | 22 +- arch/nds32/kernel/signal.c | 62 +++++- arch/nds32/kernel/sleep.S | 131 +++++++++++ arch/nds32/kernel/sys_nds32.c | 32 +++ arch/nds32/kernel/traps.c | 16 ++ arch/nds32/math-emu/Makefile | 7 + arch/nds32/math-emu/faddd.c | 24 ++ arch/nds32/math-emu/fadds.c | 24 ++ arch/nds32/math-emu/fcmpd.c | 24 ++ arch/nds32/math-emu/fcmps.c | 24 ++ arch/nds32/math-emu/fd2s.c | 22 ++ arch/nds32/math-emu/fdivd.c | 27 +++ arch/nds32/math-emu/fdivs.c | 26 +++ arch/nds32/math-emu/fmuld.c | 23 ++ arch/nds32/math-emu/fmuls.c | 23 ++ arch/nds32/math-emu/fnegd.c | 21 ++ arch/nds32/math-emu/fnegs.c | 21 ++ arch/nds32/math-emu/fpuemu.c | 357 ++++++++++++++++++++++++++++++ arch/nds32/math-emu/fs2d.c | 23 ++ arch/nds32/math-emu/fsqrtd.c | 21 ++ arch/nds32/math-emu/fsqrts.c | 21 ++ arch/nds32/math-emu/fsubd.c | 27 +++ arch/nds32/math-emu/fsubs.c | 27 +++ arch/nds32/mm/Makefile | 6 +- arch/nds32/mm/fault.c | 13 +- drivers/irqchip/irq-ativic32.c | 31 +++ include/math-emu/op-2.h | 99 ++++----- include/math-emu/soft-fp.h | 2 +- tools/include/asm/barrier.h | 2 + tools/perf/arch/nds32/Build | 1 + tools/perf/arch/nds32/util/Build | 1 + tools/perf/arch/nds32/util/header.c | 29 +++ tools/perf/pmu-events/arch/nds32/mapfile.csv | 15 ++ tools/perf/pmu-events/arch/nds32/n13/atcpmu.json | 290 ++++++++++++++++++++++++ 65 files changed, 4453 insertions(+), 89 deletions(-) create mode 100644 Documentation/devicetree/bindings/perf/nds32v3-pmu.txt create mode 100644 arch/nds32/include/asm/fpu.h create mode 100644 arch/nds32/include/asm/fpuemu.h create mode 100644 arch/nds32/include/asm/nds32_fpu_inst.h create mode 100644 arch/nds32/include/asm/perf_event.h create mode 100644 arch/nds32/include/asm/pmu.h create mode 100644 arch/nds32/include/asm/sfp-machine.h create mode 100644 arch/nds32/include/asm/stacktrace.h create mode 100644 arch/nds32/include/asm/suspend.h create mode 100644 arch/nds32/include/uapi/asm/udftrap.h create mode 100644 arch/nds32/kernel/fpu.c create mode 100644 arch/nds32/kernel/perf_event_cpu.c create mode 100644 arch/nds32/kernel/pm.c create mode 100644 arch/nds32/kernel/sleep.S create mode 100644 arch/nds32/math-emu/Makefile create mode 100644 arch/nds32/math-emu/faddd.c create mode 100644 arch/nds32/math-emu/fadds.c create mode 100644 arch/nds32/math-emu/fcmpd.c create mode 100644 arch/nds32/math-emu/fcmps.c create mode 100644 arch/nds32/math-emu/fd2s.c create mode 100644 arch/nds32/math-emu/fdivd.c create mode 100644 arch/nds32/math-emu/fdivs.c create mode 100644 arch/nds32/math-emu/fmuld.c create mode 100644 arch/nds32/math-emu/fmuls.c create mode 100644 arch/nds32/math-emu/fnegd.c create mode 100644 arch/nds32/math-emu/fnegs.c create mode 100644 arch/nds32/math-emu/fpuemu.c create mode 100644 arch/nds32/math-emu/fs2d.c create mode 100644 arch/nds32/math-emu/fsqrtd.c create mode 100644 arch/nds32/math-emu/fsqrts.c create mode 100644 arch/nds32/math-emu/fsubd.c create mode 100644 arch/nds32/math-emu/fsubs.c create mode 100644 tools/perf/arch/nds32/Build create mode 100644 tools/perf/arch/nds32/util/Build create mode 100644 tools/perf/arch/nds32/util/header.c create mode 100644 tools/perf/pmu-events/arch/nds32/mapfile.csv create mode 100644 tools/perf/pmu-events/arch/nds32/n13/atcpmu.json