linux-kernel - Re: [PATCH v3 5/5] kernel: tracepoints: add support for relative references

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Message-ID: <20170830091753.27e2ba47@gandalf.local.home>
Date:   Wed, 30 Aug 2017 09:17:53 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Kees Cook <keescook@...omium.org>,
        Will Deacon <will.deacon@....com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Garnier <thgarnie@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Petr Mladek <pmladek@...e.com>, Ingo Molnar <mingo@...hat.com>,
        James Morris <james.l.morris@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Pitre <nico@...aro.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Jessica Yu <jeyu@...nel.org>
Subject: Re: [PATCH v3 5/5] kernel: tracepoints: add support for relative
 references

On Wed, 30 Aug 2017 13:52:26 +0100
Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:

> On 20 August 2017 at 15:51, Steven Rostedt <rostedt@...dmis.org> wrote:
> > On Sat, 19 Aug 2017 19:10:35 +0100
> > Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:
> >  
> >> To avoid the need for relocating absolute references to tracepoint
> >> structures at boot time when running relocatable kernels (which may
> >> take a disproportionate amount of space), add the option to emit
> >> these tables as relative references instead.
> >>  
> >
> > This patch looks fine. But I want to test the series before giving it
> > my Acked-by. I wont be able to do that till Tuesday at the earliest.
> >  
> 
> I guess this has slipped between the cracks?

Yes it has. Thanks for the reminder. I'm quite overwhelmed after coming
back from vacation, and getting pulled in various directions.

I'll see if I can run it through some tests today.

-- Steve