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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Stephen Rothwell <sfr@canb.auug.org.au>,
        PowerPC <linuxppc-dev@lists.ozlabs.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build warnings in powercp build
In-Reply-To: <20230511121635.0a6764a0@canb.auug.org.au>
References: <20230511121635.0a6764a0@canb.auug.org.au>
Date:   Thu, 11 May 2023 14:45:44 +1000
Message-ID: <871qjna32f.fsf@mail.lhotse>
MIME-Version: 1.0
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Stephen Rothwell <sfr@canb.auug.org.au> writes:
> Hi all,
>
> Today's (and a few before) linux-next build (powerpc pseries_le_defconfig)
> produced these warnings:

Those aren't really warnings, it's just merge_config.sh telling you what
it's doing. The whole point of the generated configs is to override
those symbols.

Looks like there is a way to silence them, by using merge_into_defconfig_override.

cheers

> Building: powerpc pseries_le_defconfig
> Using /home/sfr/next/next/arch/powerpc/configs/ppc64_defconfig as base
> Merging /home/sfr/next/next/arch/powerpc/configs/le.config
> Merging /home/sfr/next/next/arch/powerpc/configs/guest.config
> Value of CONFIG_VIRTIO_BLK is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VIRTIO_BLK=m
> New value: CONFIG_VIRTIO_BLK=y
>
> Value of CONFIG_SCSI_VIRTIO is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_SCSI_VIRTIO=m
> New value: CONFIG_SCSI_VIRTIO=y
>
> Value of CONFIG_VIRTIO_NET is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VIRTIO_NET=m
> New value: CONFIG_VIRTIO_NET=y
>
> Value of CONFIG_VIRTIO_CONSOLE is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VIRTIO_CONSOLE=m
> New value: CONFIG_VIRTIO_CONSOLE=y
>
> Value of CONFIG_VIRTIO_PCI is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VIRTIO_PCI=m
> New value: CONFIG_VIRTIO_PCI=y
>
> Value of CONFIG_VIRTIO_BALLOON is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VIRTIO_BALLOON=m
> New value: CONFIG_VIRTIO_BALLOON=y
>
> Value of CONFIG_VHOST_NET is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_VHOST_NET=m
> New value: CONFIG_VHOST_NET=y
>
> Value of CONFIG_IBMVETH is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_IBMVETH=m
> New value: CONFIG_IBMVETH=y
>
> Value of CONFIG_IBMVNIC is redefined by fragment /home/sfr/next/next/arch/powerpc/configs/guest.config:
> Previous value: CONFIG_IBMVNIC=m
> New value: CONFIG_IBMVNIC=y
>
> I am not sure exactly which change(s) introduced these warnings.
>
> -- 
> Cheers,
> Stephen Rothwell