[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20191112132637.7d80fa57@gandalf.local.home>
Date: Tue, 12 Nov 2019 13:26:37 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, mhiramat@...nel.org,
bristot@...hat.com, jbaron@...mai.com,
torvalds@...ux-foundation.org, tglx@...utronix.de,
mingo@...nel.org, namit@...are.com, hpa@...or.com, luto@...nel.org,
ard.biesheuvel@...aro.org, jpoimboe@...hat.com, jeyu@...nel.org,
alexei.starovoitov@...il.com
Subject: Re: [PATCH -v5 00/17] Rewrite x86/ftrace to use text_poke (and
more)
On Mon, 11 Nov 2019 14:12:52 +0100
Peter Zijlstra <peterz@...radead.org> wrote:
> Ftrace is one of the last W^X violators (after this only KLP is left). These
> patches move it over to the generic text_poke() interface and thereby get rid
> of this oddity.
>
> The first 14 patches are the same as in the -v4 posting. The last 3 patches are
> new.
>
> Will, patch 13, arm/ftrace, is unchanged. This is because this way it preserves
> behaviour, but if you can provide me a tested-by for the simpler variant I can
> drop that in.
>
> Patch 15 reworks ftrace's event_create_dir(), which ran module code before the
> module was finished loading (before we even applied jump_labels and all that).
>
> Patch 16 and 17 address minor review feedback.
>
> Ingo, Alexei wants patch #1 for some BPF stuff, can he get that in a topic branch?
Hi Peter,
I ran this through my entire test suite and it actually passed :-)
Tested-by: Steven Rostedt (VMware) <rostedt@...dmis.org> (for the
series, at least the x86 and generic part).
I'm still reviewing this series, I had some questions about patch 5 that
I sent out already.
-- Steve
Powered by blists - more mailing lists