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Date:   Fri, 30 Apr 2021 07:34:31 -0400
From:   Steven Rostedt <rostedt@goodmis.org>
To:     Anup Patel <Anup.Patel@wdc.com>
Cc:     Changbin Du <changbin.du@gmail.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
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        Palmer Dabbelt <palmerdabbelt@google.com>
Subject: Re: [PATCH] RISC-V: insn: Use a raw spinlock to protect TEXT_POKE*
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On Fri, 30 Apr 2021 04:06:35 +0000
Anup Patel <Anup.Patel@wdc.com> wrote:

> This patch only takes care of ftrace path.
> 
> The RISC-V instruction patching is used by RISC-V jump label implementation
> as well and will called from various critical parts of core kernel.
> 
> The RAW spinlock approach allows same instruction patching to be used
> for kprobes, ftrace, and jump label.

So what path hits this outside of stop machine?

-- Steve