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Date: Tue, 25 Aug 2020 23:19:50 +0900 From: Masami Hiramatsu <mhiramat@...nel.org> To: peterz@...radead.org Cc: "Eddy_Wu@...ndmicro.com" <Eddy_Wu@...ndmicro.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "x86@...nel.org" <x86@...nel.org>, "David S. Miller" <davem@...emloft.net> Subject: Re: x86/kprobes: kretprobe fails to triggered if kprobe at function entry is not optimized (trigger by int3 breakpoint) On Tue, 25 Aug 2020 16:10:58 +0200 peterz@...radead.org wrote: > On Tue, Aug 25, 2020 at 03:30:05PM +0200, peterz@...radead.org 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. Yes, that is what I'm trying (I had done it, but lost the code... let's do it again) Thank you, > > They're all basically the same loop after all. -- Masami Hiramatsu <mhiramat@...nel.org>
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