linux-kernel - Re: [PATCH V3 00/17] perf tools and x86 PTI entry trampolines

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Message-ID: <20180605160404.GL4899@kernel.org>
Date:   Tue, 5 Jun 2018 13:04:04 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>, Jiri Olsa <jolsa@...hat.com>,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH V3 00/17] perf tools and x86 PTI entry trampolines

Em Tue, Jun 05, 2018 at 06:00:46PM +0200, Peter Zijlstra escreveu:
> On Tue, Jun 05, 2018 at 12:29:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Arnaldo has queued the tools patches, but there are still 3 kernel patches:
> > > 
> > > 	kallsyms: Simplify update_iter_mod()
> > > 	kallsyms, x86: Export addresses of syscall trampolines
> 
> That one needs a changelog.
> 
> > > 	x86: Add entry trampolines to kcore
> > > 
> > > Are there any further comments on these?  Can they be applied?
> > 
> > Would be interesting to have some acked-by from kernel folks :-\
> 
> Other than that, they look good I tihnk. The updatE_iter_mod thing took
> me a few tries, so maybe something can be done to the changelog there
> too, maybe explicitly mention the rule for the *mod_end things.

I was feeling daft, good to see you found that difficult to follow 8-)

- Arnaldo