On Fri, Sep 30, 2022 at 09:02:20AM +0800, liaochang (A) wrote: > > > 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? No need to, I can pick the arm64 patch. If the other maintainers don't merge the patches, you might want to post them again individually as to avoid confusion. -- Catalin
