[PATCH 0/7] riscv: Various text patching improvements

Samuel Holland
2024-02-12T02:55:48Z

Here are a few changes to minimize calls to stop_machine() and
flush_icache_*() in the various text patching functions, as well as
to simplify the code.

Samuel Holland (7):
riscv: jump_label: Batch icache maintenance
riscv: jump_label: Simplify assembly syntax
riscv: kprobes: Use patch_text_nosync() for insn slots
riscv: Simplify text patching loops
riscv: Pass patch_text() the length in bytes
riscv: Use offset_in_page() in text patching functions
riscv: Remove extra variable in patch_text_nosync()

arch/riscv/include/asm/jump_label.h | 4 ++-
arch/riscv/include/asm/patch.h | 3 +-
arch/riscv/kernel/jump_label.c | 16 ++++++---
arch/riscv/kernel/patch.c | 56 +++++++++++++----------------
arch/riscv/kernel/probes/kprobes.c | 20 ++++++-----
arch/riscv/net/bpf_jit_comp64.c | 7 ++--
6 files changed, 56 insertions(+), 50 deletions(-)

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2.43.0