On Tue, 13 Sep 2022 11:34:51 +0800 Liao Chang <liaochang1@xxxxxxxxxx> 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. All these patches look good to me, since single-step slot must not be executed until it is prepared. Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> for this series. But I need Ack by each architecture maintainer. Thank you, > > v2: > Backport riscv patch to cksy and arm64. > > Liao Chang (3): > riscv/kprobe: Optimize the performance of patching single-step slot > csky/kprobe: Optimize the performance of patching single-step slot > arm64/kprobe: Optimize the performance of patching single-step slot > > arch/arm64/kernel/probes/kprobes.c | 5 ++--- > arch/csky/kernel/probes/kprobes.c | 6 +++++- > arch/riscv/kernel/probes/kprobes.c | 8 +++++--- > 3 files changed, 12 insertions(+), 7 deletions(-) > > -- > 2.17.1 > -- Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
