Hi Linus, Please pull the changes for v5.7-rc1. In this round, we have some features and fixups. Best Regards Guo Ren The following changes since commit 98d54f81e36ba3bf92172791eba5ca5bd813989b: Linux 5.6-rc4 (2020-03-01 16:38:46 -0600) are available in the Git repository at: https://github.com/c-sky/csky-linux.git tags/csky-for-linus-5.7-rc1 for you to fetch changes up to aefd9461d34a1b0a2acad0750c43216c1c27b9d4: csky: Fixup cpu speculative execution to IO area (2020-04-03 12:40:07 +0800) ---------------------------------------------------------------- csky updates for 5.7-rc1 - Add kproobes/uprobes support - Add lockdep, rseq, gcov support - Fixup init_fpu - Fixup ftrace_modify deadlock - Fixup speculative execution on IO area ---------------------------------------------------------------- Guo Ren (10): csky: Fixup init_fpu compile warning with __init csky: Implement ptrace regs and stack API csky: Add support for restartable sequence csky: Implement ftrace with regs csky/ftrace: Fixup ftrace_modify_code deadlock without CPU_HAS_ICACHE_INS csky: Fixup get wrong psr value from phyical reg csky: Enable LOCKDEP_SUPPORT csky: Add kprobes supported csky: Add uprobes support csky: Fixup cpu speculative execution to IO area Ma Jun (1): csky: Enable the gcov function arch/csky/Kconfig | 13 + arch/csky/abiv1/inc/abi/entry.h | 5 +- arch/csky/abiv2/fpu.c | 5 - arch/csky/abiv2/inc/abi/entry.h | 67 +++- arch/csky/abiv2/inc/abi/fpu.h | 3 +- arch/csky/abiv2/mcount.S | 48 +++ arch/csky/include/asm/Kbuild | 1 - arch/csky/include/asm/ftrace.h | 2 + arch/csky/include/asm/kprobes.h | 48 +++ arch/csky/include/asm/probes.h | 24 ++ arch/csky/include/asm/processor.h | 1 + arch/csky/include/asm/ptrace.h | 43 +++ arch/csky/include/asm/thread_info.h | 2 + arch/csky/include/asm/uprobes.h | 33 ++ arch/csky/kernel/Makefile | 1 + arch/csky/kernel/asm-offsets.c | 1 + arch/csky/kernel/entry.S | 18 +- arch/csky/kernel/ftrace.c | 42 +++ arch/csky/kernel/head.S | 5 + arch/csky/kernel/probes/Makefile | 7 + arch/csky/kernel/probes/decode-insn.c | 49 +++ arch/csky/kernel/probes/decode-insn.h | 20 ++ arch/csky/kernel/probes/ftrace.c | 66 ++++ arch/csky/kernel/probes/kprobes.c | 499 +++++++++++++++++++++++++++ arch/csky/kernel/probes/kprobes_trampoline.S | 19 + arch/csky/kernel/probes/simulate-insn.c | 398 +++++++++++++++++++++ arch/csky/kernel/probes/simulate-insn.h | 49 +++ arch/csky/kernel/probes/uprobes.c | 150 ++++++++ arch/csky/kernel/ptrace.c | 103 ++++++ arch/csky/kernel/setup.c | 63 +--- arch/csky/kernel/signal.c | 6 + arch/csky/kernel/smp.c | 6 + arch/csky/kernel/traps.c | 29 +- arch/csky/mm/cachev2.c | 45 ++- arch/csky/mm/fault.c | 11 + 35 files changed, 1807 insertions(+), 75 deletions(-) create mode 100644 arch/csky/include/asm/kprobes.h create mode 100644 arch/csky/include/asm/probes.h create mode 100644 arch/csky/include/asm/uprobes.h create mode 100644 arch/csky/kernel/probes/Makefile create mode 100644 arch/csky/kernel/probes/decode-insn.c create mode 100644 arch/csky/kernel/probes/decode-insn.h create mode 100644 arch/csky/kernel/probes/ftrace.c create mode 100644 arch/csky/kernel/probes/kprobes.c create mode 100644 arch/csky/kernel/probes/kprobes_trampoline.S create mode 100644 arch/csky/kernel/probes/simulate-insn.c create mode 100644 arch/csky/kernel/probes/simulate-insn.h create mode 100644 arch/csky/kernel/probes/uprobes.c