linux-kernel - Re: [PATCH v7 3/3] arm64: implement KPROBES_ON

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Message-ID: <20200724150611.40b17827@xhacker.debian>
Date:   Fri, 24 Jul 2020 15:06:11 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        Will Deacon <will@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v7 3/3] arm64: implement KPROBES_ON_FTRACE


On Tue, 21 Jul 2020 22:24:55 +0900 Masami Hiramatsu wrote:

> 
> 
> Hi Jisheng,

Hi,

> 
> Would you be still working on this series?

I will rebase the implementation on the latest code, then try to address
your comments and Mark's comments. I will send out patches in this weekend.

> 
> If you are still want to put a probe on func+4, it is OK if you can
> completely emulate the 1st instruction. (lr save on the stack and
> change the regs->sp)

Will check which is the better solution.

Thank you very much