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

Samuel Holland samuel.holland at sifive.com
Sun Feb 11 18:55:11 PST 2024


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(-)

-- 
2.43.0




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