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Message-ID: <20240212025529.1971876-1-samuel.holland@sifive.com> Date: Sun, 11 Feb 2024 18:55:11 -0800 From: Samuel Holland <samuel.holland@...ive.com> To: Palmer Dabbelt <palmer@...belt.com> Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, Samuel Holland <samuel.holland@...ive.com>, Ard Biesheuvel <ardb@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jason Baron <jbaron@...mai.com>, Josh Poimboeuf <jpoimboe@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Steven Rostedt <rostedt@...dmis.org>, bpf@...r.kernel.org Subject: [PATCH 0/7] riscv: Various text patching improvements 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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