Re: [PATCH] kprobes: Allow kprobes coexist with livepatch
From: Steven Rostedt
Date: Thu Jul 25 2019 - 14:06:39 EST
On Thu, 25 Jul 2019 15:24:37 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
> Allow kprobes which do not modify regs->ip, coexist with livepatch
> by dropping FTRACE_OPS_FL_IPMODIFY from ftrace_ops.
> User who wants to modify regs->ip (e.g. function fault injection)
> must set a dummy post_handler to its kprobes when registering.
> However, if such regs->ip modifying kprobes is set on a function,
> that function can not be livepatched.
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Looks good! I applied it.