linux-kernel - Re: [PATCH v2 3/3] arm64: implement KPROBES_ON

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Message-ID: <alpine.DEB.2.21.1908201052570.2223@nanos.tec.linutronix.de>
Date:   Tue, 20 Aug 2019 10:53:43 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>
cc:     Catalin Marinas <catalin.marinas@....com>,
        Jonathan Corbet <corbet@....net>,
        Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 3/3] arm64: implement KPROBES_ON_FTRACE

On Tue, 20 Aug 2019, Jisheng Zhang wrote:

> KPROBES_ON_FTRACE avoids much of the overhead with regular kprobes as it
> eliminates the need for a trap, as well as the need to emulate or
> single-step instructions.
> 
> This patch implements KPROBES_ON_FTRACE for arm64.

 git grep 'This patch' Documentation/process/submitting-patches.rst
 
Thanks,

	tglx