在 2022/9/30 0:50, Catalin Marinas 写道: > On Tue, Sep 27, 2022 at 10:24:35AM +0800, Liao Chang wrote: >> Single-step slot would not be used until kprobe is enabled, that means >> no race condition occurs on it under SMP, hence it is safe to pacth ss >> slot without stopping machine. >> >> Since I and D caches are coherent within single-step slot from >> aarch64_insn_patch_text_nosync(), hence no need to do it again via >> flush_icache_range(). >> >> Acked-by: Will Deacon <will@xxxxxxxxxx> >> Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> >> Signed-off-by: Liao Chang <liaochang1@xxxxxxxxxx> >> --- >> arch/arm64/kernel/probes/kprobes.c | 27 +++++++++++++++++++++------ >> 1 file changed, 21 insertions(+), 6 deletions(-) > > What's your expectation with this series, should the arch maintainers > just pick the individual patches? Yes, or should i split this series into individual patch? Thanks. > -- BR, Liao, Chang
