Re: x86/kprobes: kretprobe fails to triggered if kprobe at function entry is not optimized (trigger by int3 breakpoint)

[peterz]

On Tue, Aug 25, 2020 at 03:30:05PM +0200, peterz@xxxxxxxxxxxxx wrote:
> On Tue, Aug 25, 2020 at 10:15:55PM +0900, Masami Hiramatsu wrote:

> > OK, this looks good to me too.
> > I'll make a series to rewrite kretprobe based on this patch, OK?
> 
> Please, I'll send the fix along when I have it.

One approach that I think might work nicely is trying to pull
trampoline_handler() into core code (with a few arch helpers). Then we
can replace that loop once, instead of having to go fix each
architectures one by one.

They're all basically the same loop after all.