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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Christophe Leroy <christophe.leroy@c-s.fr>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     x86@kernel.org, John Stultz <john.stultz@linaro.org>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Andy Lutomirski <luto@kernel.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Juergen Gross <jgross@suse.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Sasha Levin <sashal@kernel.org>,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <paulburton@kernel.org>,
        James Hogan <jhogan@kernel.org>,
        Russell King <linux@armlinux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Marc Zyngier <maz@kernel.org>
Subject: Re: [patch 09/15] clocksource: Add common vdso clock mode storage
In-Reply-To: <f6c5ce65-be49-add3-5959-85fa9cdc75a2@c-s.fr>
References: <20200114185237.273005683@linutronix.de> <20200114185947.500141436@linutronix.de> <f6c5ce65-be49-add3-5959-85fa9cdc75a2@c-s.fr>
Date:   Wed, 15 Jan 2020 08:59:33 +0100
Message-ID: <874kwxb15m.fsf@nanos.tec.linutronix.de>
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Sender: linux-kernel-owner@vger.kernel.org
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Christophe Leroy <christophe.leroy@c-s.fr> writes:
>> --- a/kernel/time/vsyscall.c
>> +++ b/kernel/time/vsyscall.c
>> @@ -72,12 +72,19 @@ void update_vsyscall(struct timekeeper *
>>   	struct vdso_data *vdata = __arch_get_k_vdso_data();
>>   	struct vdso_timestamp *vdso_ts;
>>   	u64 nsec;
>> +	s32 mode;
>
> gcc will claim 'mode' is unused when CONFIG_GENERIC_VDSO_CLOCK_MODE is 
> not defined.

I know. It's intermediate and goes away a few patches later, but yes I
can fix it up.

Thanks,

        tglx