[PATCH V2 0/3] kprobe: Optimize the performance of patching ss
Masami Hiramatsu (Google)
mhiramat at kernel.org
Tue Sep 13 04:19:09 PDT 2022
On Tue, 13 Sep 2022 11:34:51 +0800
Liao Chang <liaochang1 at 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 at 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 at kernel.org>
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