linux-kernel - Re: [PATCH] arm64: cpu_errata: include required headers

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Date:   Tue, 5 Jun 2018 16:50:48 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Will Deacon <will.deacon@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Dave Martin <dave.martin@....com>,
        Shanker Donthineni <shankerd@...eaurora.org>
Subject: Re: [PATCH] arm64: cpu_errata: include required headers

On Tue, Jun 05, 2018 at 01:50:07PM +0200, Arnd Bergmann wrote:
> Without including psci.h and arm-smccc.h, we now get a build failure in
> some configurations:
> 
> arch/arm64/kernel/cpu_errata.c: In function 'arm64_update_smccc_conduit':
> arch/arm64/kernel/cpu_errata.c:278:10: error: 'psci_ops' undeclared (first use in this function); did you mean 'sysfs_ops'?
> 
> arch/arm64/kernel/cpu_errata.c: In function 'arm64_set_ssbd_mitigation':
> arch/arm64/kernel/cpu_errata.c:311:3: error: implicit declaration of function 'arm_smccc_1_1_hvc' [-Werror=implicit-function-declaration]
>    arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_2, state, NULL);
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> This showed up only recently, but I have not bisected what caused it.

I haven't hit it yet, not sure why. I'm queuing the patch anyway.
Thanks.

-- 
Catalin