Message-ID: <1349138589.22822.138.camel@gandalf.local.home>
Subject: Re: [PATCH v3 1/3] tracing,x86: add a TSC trace_clock
From: Steven Rostedt <rostedt@goodmis.org>
To: David Sharp <dhsharp@google.com>
Cc: linux-kernel@vger.kernel.org,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
        "H. Peter Anvin" <hpa@linux.intel.com>
Date: Mon, 01 Oct 2012 20:43:09 -0400
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On Mon, 2012-10-01 at 17:33 -0700, David Sharp wrote:

> > Unfortunately this isn't enough. You need to add a stub in all
> > arch/*/include/asm/ directories. That has:
> 
> Oh really? Okay. Sorry, I really don't know the mechanics of the arch
> trees. I'll work on that now, and then send you a new series since I
> forgot to send out my last update.

It's a good idea to cross compile archs, especially if you make any
change that affects archs (like this one did).

Just use ktest.pl. You can download the cross tools at:

  http://kernel.org/pub/tools/crosstool/files/bin/x86_64/

And you can use the example config file in:

  tools/testing/ktest/examples/crosstests.conf

That's basically the test I use to test cross compiling of other archs.

-- Steve


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