linux-kernel - Re: [PATCH 0/2] make weak attributes in {k,u}probes

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Message-ID: <CAJF2gTRDspQZUZk=KAC_P+YCr=86o4EgOGAVGcB1kdgsymhyVQ@mail.gmail.com>
Date:   Sat, 17 Sep 2022 18:58:56 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Yipeng Zou <zouyipeng@...wei.com>
Cc:     x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-csky@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-perf-users@...r.kernel.org,
        linux-s390@...r.kernel.org, paul.walmsley@...ive.com,
        palmer@...belt.com, hca@...ux.ibm.com, gor@...ux.ibm.com,
        borntraeger@...ux.ibm.com, dave.hansen@...ux.intel.com,
        hpa@...or.com, naveen.n.rao@...ux.ibm.com,
        anil.s.keshavamurthy@...el.com, mhiramat@...nel.org,
        namit@...are.com, catalin.marinas@....com, peterz@...radead.org,
        mark.rutland@....com, liaochang1@...wei.com, chris.zjh@...wei.com
Subject: Re: [PATCH 0/2] make weak attributes in {k,u}probes

It's a riskless cleanup.

Acked-by: Guo Ren <guoren@...nel.org>

On Sat, Sep 17, 2022 at 9:59 AM Yipeng Zou <zouyipeng@...wei.com> wrote:
>
> We have some function implementation under some arch does nothing.
> We can mark it with weak attributes to improve.
> 1. arch_init_kprobes in kprobes
> 2. arch_uprobe_exception_notify in uprobes
>
> Yipeng Zou (2):
>   kprobes: make arch_init_kprobes as weak
>   uprobes: make arch_uprobe_exception_notify as weak
>
>  arch/arm/probes/uprobes/core.c     | 6 ------
>  arch/arm64/kernel/probes/uprobes.c | 6 ------
>  arch/csky/kernel/probes/kprobes.c  | 5 -----
>  arch/csky/kernel/probes/uprobes.c  | 6 ------
>  arch/riscv/kernel/probes/kprobes.c | 5 -----
>  arch/riscv/kernel/probes/uprobes.c | 6 ------
>  arch/s390/kernel/kprobes.c         | 5 -----
>  arch/x86/kernel/kprobes/core.c     | 5 -----
>  kernel/events/uprobes.c            | 6 ++++++
>  kernel/kprobes.c                   | 5 +++++
>  10 files changed, 11 insertions(+), 44 deletions(-)
>
> --
> 2.17.1
>


-- 
Best Regards
 Guo Ren