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? -- Catalin
