linux-kernel - Re: [PATCH v6 04/21] arm64: smccc: Include alternative-macros.h

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Date:   Wed, 26 Oct 2022 22:46:17 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Elliot Berman <quic_eberman@...cinc.com>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sudeep Holla <sudeep.holla@....com>
Cc:     Murali Nalajala <quic_mnalajal@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Srivatsa Vaddagiri <quic_svaddagi@...cinc.com>,
        Carl van Schaik <quic_cvanscha@...cinc.com>,
        Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Amol Maheshwari <amahesh@....qualcomm.com>,
        Kalle Valo <kvalo@...nel.org>, devicetree@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 04/21] arm64: smccc: Include alternative-macros.h

On 26/10/2022 21:58, Elliot Berman wrote:
> Fix build error when CONFIG_ARM64_SVE is selected and
> asm/alternative-macros.h wasn't implicitly included by another header.

Please include the build error into the commit message to help anybody 
looking for the solution for the same issue.

> 
> Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
> ---
>   include/linux/arm-smccc.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
> index 220c8c60e021..6a627cdbbdec 100644
> --- a/include/linux/arm-smccc.h
> +++ b/include/linux/arm-smccc.h
> @@ -383,6 +383,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
>   
>   /* nVHE hypervisor doesn't have a current thread so needs separate checks */
>   #if defined(CONFIG_ARM64_SVE) && !defined(__KVM_NVHE_HYPERVISOR__)
> +#include <asm/alternative-macros.h>
>   
>   #define SMCCC_SVE_CHECK ALTERNATIVE("nop \n",  "bl __arm_smccc_sve_check \n", \
>   				    ARM64_SVE)

-- 
With best wishes
Dmitry