linux-kernel - Re: [PATCH] arm64: ftrace: fix building without CONFIG

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Message-ID: <CAK8P3a2pjsVztw81NA92wEwnqAMq83itYwJKfRTxT4q6AeC2Lg@mail.gmail.com>
Date:   Mon, 12 Jun 2017 16:22:23 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Will Deacon <will.deacon@....com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, Jessica Yu <jeyu@...nel.org>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: ftrace: fix building without CONFIG_MODULES

On Mon, Jun 12, 2017 at 2:48 PM, Will Deacon <will.deacon@....com> wrote:
> On Fri, Jun 09, 2017 at 08:57:31PM +0200, Arnd Bergmann wrote:
>> On Fri, Jun 9, 2017 at 1:38 PM, Will Deacon <will.deacon@....com> wrote:
>> > I can't seem to reproduce this simply by disabling MODULES in defconfig.
>> > Could you share your .config, please?
>>
>> This is the randconfig I used: https://pastebin.com/SfKBY7f8
>
> Thanks, I was forgetting to enable ftrace. I think a simpler patch (and one
> that I can just apply via arm64) is switching the IS_ENABLEDs out for
> #ifdefs. See below.

Yes, good idea.

        Arnd