linux-kernel - Re: [PATCH v4 2/2] ARM: ftrace: Add MODULE

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Message-ID: <ec84d8ee-8b90-5365-5be4-4b08d274c6e5@nokia.com>
Date:   Tue, 13 Mar 2018 18:49:38 +0100
From:   Alexander Sverdlin <alexander.sverdlin@...ia.com>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
CC:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Russell King <linux@...linux.org.uk>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v4 2/2] ARM: ftrace: Add MODULE_PLTS support

On 13/03/18 18:39, Ard Biesheuvel wrote:
> if (IS_ENABLED(CONFIG_ARM_MODULE_PLTS))
>     module_plt_alloc_fixed();

Do you consider this a legal C code if without module-plts.o the function would not exist at all?
That's too much relying on optimizer I think...

-- 
Best regards,
Alexander Sverdlin.