linux-kernel - Re: [powerpc] ftrace warning kernel/trace/ftrace.c:2068 with code-patching selftests

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Message-ID: <YfKyivFMMjio09Xy@FVFF77S0Q05N>
Date:   Thu, 27 Jan 2022 14:56:10 +0000
From:   Mark Rutland <mark.rutland@....com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Sven Schnelle <svens@...ux.ibm.com>,
        Yinan Liu <yinan@...ux.alibaba.com>,
        linuxppc-dev@...ts.ozlabs.org, Sachin Sant <sachinp@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, ardb@...nel.org,
        keescook@...omium.org, hca@...ux.ibm.com
Subject: Re: [powerpc] ftrace warning kernel/trace/ftrace.c:2068 with
 code-patching selftests

On Thu, Jan 27, 2022 at 08:55:43AM -0500, Steven Rostedt wrote:
> On Thu, 27 Jan 2022 13:33:02 +0000
> Mark Rutland <mark.rutland@....com> wrote:
> 
> > I want to get the regression fixed ASAP, so can we take a simple patch for -rc2
> > which disables the build-time sort where it's currently broken (by limiting the
> > opt-in to arm and x86), then follow-up per-architecture to re-enable it if
> > desired/safe?
> 
> I'm going to retest my patch that makes it an opt in for just x86 and arm
> (32bit). I'll be pushing that hopefully later today. I have some other
> patches to test as well.

Great; thanks!

Let me know if you'd like me to give that a spin on arm or arm64.

Thanks,
Mark.