linux-kernel - Re: [PATCH RFC 10/19] perf tools: Create maps for x86

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Message-ID: <20180514083257.GA29509@gmail.com>
Date:   Mon, 14 May 2018 10:32:57 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        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 RFC 10/19] perf tools: Create maps for x86_64 KPTI entry
 trampolines


* Adrian Hunter <adrian.hunter@...el.com> wrote:

> Create maps for x86_64 KPTI entry trampolines, based on symbols found in
> kallsyms. It is also necessary to keep track of whether the trampolines
> have been mapped particularly when the kernel dso is kcore.
> 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  tools/perf/util/machine.c | 138 ++++++++++++++++++++++++++++++++++++++++++++--
>  tools/perf/util/machine.h |   1 +
>  tools/perf/util/symbol.c  |  17 ++++++
>  3 files changed, 150 insertions(+), 6 deletions(-)

Minor detail, please call it 'x86 PTI'.

Thanks,

	Ingo