Messages in this thread | | | Date | Tue, 13 Sep 2022 20:19:09 +0900 | From | Masami Hiramatsu (Google) <> | Subject | Re: [PATCH V2 0/3] kprobe: Optimize the performance of patching ss |
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On Tue, 13 Sep 2022 11:34:51 +0800 Liao Chang <liaochang1@huawei.com> 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@kernel.org> 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@kernel.org>
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