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RFC: Linux kernel port#5482

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Commits on Aug 12, 2021

• py/runtime: Add MICROPY_LAZY_LOAD_GLOBAL.

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• tools/makemanifest.py: Allow passing flags to mpy-tool.py

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• linux-kernel: Add Linux kernel MicroPython port.

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• linux-kernel: Implement very minimal import routines

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• linux-kernel: Add memory write functions.

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• linux-kernel: Implement structs accessing.

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• linux-kernel: Increase heap size.

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• linux-kernel: Remove GC info prints on gc_collect().

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• linux-kernel: Enable uerrno module.

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• linux-kernel: kernel_ffi: Allow writing to "unwritable" memory via p64().

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• linux-kernel: kernel_ffi: Impelemnt callbacks and kprobe hooks.

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• linux-kernel: kernel_ffi: Allow instantiating Symbols.

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• linux-kernel: Don't attempt send/receive data if no peer is connected.

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• linux-kernel: Print output via printk() if no peer is connected to the shell.

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• linux-kernel: Add some debug prints on startup.

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• linux-kernel: Support compilation for older kernels (tested 4.4)

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• linux-kernel: Enable more REPL keys.

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• py/nlrx64: Fix nlr_push() for Linux kernels with CONFIG_FRAME_POINTER.

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• linux-kernel: Enable MICROPY_ENABLE_FINALISER.

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• linux-kernel: Enable MICROPY_CAN_OVERRIDE_BUILTINS.

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• linux-kernel: kernel_ffi: Print Python function exception with printk.

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• linux-kernel: Export die() function.

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• linux-kernel: Reorder module initialization and support rmmod.

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• linux-kernel: Remove -Wimplicit-fallthrough from CFLAGS.

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• linux-kernel: Export mp_print_printk.

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• linux-kernel: Make use of mp_print_printk for MicroPython stdout printing.

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• linux-kernel: Don't escape printed characters with mp_print_printk.

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• linux-kernel: Enable MICROPY_STACK_CHECK.

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• linux-kernel: Use pr_* macros.

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• linux-kernel: Break out from kernel_accept() on rmmod.

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• linux-kernel: kernel_ffi: Share Symbol init code between functions.

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• linux-kernel: kernel_ffi: Improve kprobes.

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• linux-kernel: kernel_ffi: Introduce ftrace.

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• linux-kernel: Printk general info on startup.

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• linux-kernel: Get available stack space left more accurately.

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• linux-kernel: kernel_ffi: Add kmalloc helper.

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• linux-kernel: Add threading support and make this port thread-safe.

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• linux-kernel: kernel_ffi: Use direct insructions to write to cr0.

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• linux-kernel: Build struct_layout automatically when it's enabled.

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• linux-kernel: Few docs improvements.

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• linux-kernel: kernel_ffi: Take into account the "first arg" in callback args count.

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• linux-kernel: Refrain from running gc_collect() in atomic contexts.

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• linux-kernel: thread: Separate get_thread_for_current() responsibilities.

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• linux-kernel: kernel_ffi: Handle nested hooks.

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• linux-kernel: Add future TODOs to the README.

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• linux-kernel: Document code loading via imports / raw REPL mode.

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• linux-kernel: Fix includes on v4.4

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• linux-kernel: kernel_ffi: Add current().

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• linux-kernel: Direct output to kernel log in atomic context.

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• linux-kernel: Enable MICROPY_STACKLESS.

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• linux-kernel: kernel_ffi: Reorder ftrace unregister calls.

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• linux-kernel: thread: Allocate thread context with GFP_ATOMIC.

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• linux-kernel: kernel_ffi: Complete ftrace object initialization before registration.

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• linux-kernel: Defer GC request in atomic contexts to the server thread.

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• linux-kernel: Run gc_collect_root() on current thread registers' as well.

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• linux-kernel: Implement DEBUG_printf().

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• linux-kernel: Ensure the entire server thread stack is covered, for GC sweep purposes.

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• linux-kernel: kernel_ffi: Document why dynamically allocated ftrace_ops are okay.

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• linux-kernel: Automatically clean struct_layout on "make clean".

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• linux-kernel: Set MICROPY_GC_ALLOC_THRESHOLD to 1/8 of the heap size.

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• linux-kernel: Enable MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF.

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• linux-kernel: Enable MICROPY_MEM_STATS and friends.

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• linux-kernel: Don't use alloca() at all.

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• linux-kernel: Enable MICROPY_WARNINGS and more warnings.

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• linux-kernel: kernel_ffi: Small typo fixes.

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• linux-kernel: kernel_ffi: Wrap mp_obj_print_exception() call with NLR.

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• linux-kernel: thread: Disable interrupts on writes to threads' list.

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• linux-kernel: Fix includes for different kernel versions

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• linux-kernel: Enable MICROPY_PY_BUILTINS_HELP.

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• linux-kernel: Enable MICROPY_PY_BUILTINS_NOTIMPLEMENTED.

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• linux-kernel: Allow binding on different server address using a 'server_addr' module parameter.

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• linux-kernel: kernel_ffi: Provide alternative mechanism for accessing kernel symbols.

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• linux-kernel: Add docs on struct dumping

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• linux-kernel: Enable REPL type switching based on 'pyexec_mode_kind'.

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• tests/pyboard: Add SocketToSerial class.

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• tests/run-tests: Add linux-kernel to the list of external targets.

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• linux-kernel: kernel_ffi: Implement equality test for symbols.

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• linux-kernel: structs: Use kernel_ffi.symbol instead of depending on auto globals binding.

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• linux-kernel: Add "tests_mode" module parameter that changes behavior for the tests.

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• linux-kernel: Explain about the tests in README.

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• linux-kernel: Add first linux-kernel specific tests.

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• linux-kernel: Enable some more configs to make tests pass.

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• tests/run-tests: Mark some tests as skipped for linux-kernel.

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• linux-kernel: Update license years.

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• tests/run-tests: Skip more tests for linux-kernel.

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• tests/run-tests: Skip thread mutation tests for linux-kernel.

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• linux-kernel: Add minimal "utime" module.

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• linux-kernel: kernel_ffi: Separate threading code to a wrapper function.

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• linux-kernel: kernel_ffi: Move definition of stack object to function context.

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• linux-kernel: kernel_ffi: Fix typos

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• linux-kernel: kernel_ffi: Special message for stack overflow in Python code

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• linux-kernel: Increase stack size limit (decrease unused margin)

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• linux-kernel: Use new lookup_struct()

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• linux-kernel: Makefile: Pin struct_layout version

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• linux-kernel: kernel_ffi: Automatically convert StructPtrs to ints

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• linux-kernel: structs: Update to new struct_layout

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• linux-kernel: Define UINT8_MAX.

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• linux-kernel: Undefine kernel macro "fallthrough"

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• linux-kernel: Implement mp_hal_time_ns().

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• linux-kernel: Fix prototype of mp_thread_set_state().

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• linux-kernel: Use gc_helper_collect_regs_and_stack()

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• linux-kernel: Implement AArch64 support.

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• linux-kernel: Update struct_layout.

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• linux-kernel: Define MPZ_DIG_SIZE to 32.

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• linux-kernel: modkernel_ffi: Add TODO

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• linux-kernel: modkernel_ffi: Initialize gc_lock_depth.

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• linux-kernel: Add KBUILD_MODNAME.

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• linux-kernel: modkernel_ffi: Initialize locals.

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• linux-kernel: modkernel_ffi: Always-inline some functions to reduce stack usage.

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• linux-kernel: Avoid kernel_setsockopt() in versions where it was removed.

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• linux-kernel: modkernel_ffi: Use __vmalloc_node_range() to allocate PAGE_KERNEL_EXEC pages in new kernels.

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• linux-kernel: Refer to the snippets repository in README

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