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SubjectRe: [PATCH v16 4/4] m68k: introduce a virtual m68k machine
Le 31/05/2022 à 03:14, Randy Dunlap a écrit :
> Hi--

Hi,

> On 4/6/22 13:15, Laurent Vivier wrote:
>> diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
>> index eeab4f3e6c19..188a8f8a0104 100644
>> --- a/arch/m68k/Kconfig.machine
>> +++ b/arch/m68k/Kconfig.machine
>> @@ -149,6 +149,23 @@ config SUN3
>>
>> If you don't want to compile a kernel exclusively for a Sun 3, say N.
>>
>> +config VIRT
>> + bool "Virtual M68k Machine support"
>> + depends on MMU
>> + select GENERIC_CLOCKEVENTS
>> + select GOLDFISH
>> + select GOLDFISH_TIMER
>> + select GOLDFISH_TTY
>> + select M68040
>> + select MMU_MOTOROLA if MMU
>> + select RTC_CLASS
>> + select RTC_DRV_GOLDFISH
>> + select TTY
>> + select VIRTIO_MMIO
>
> This select VIRTIO_MMIO can cause a kconfig warning:
>
> WARNING: unmet direct dependencies detected for VIRTIO_MMIO
> Depends on [n]: VIRTIO_MENU [=n] && HAS_IOMEM [=y] && HAS_DMA [=y]

In my repo, VIRTIO_MMIO has no dependency on VIRTIO_MENU:

./drivers/virtio/Kconfig
config VIRTIO_MMIO
tristate "Platform bus driver for memory mapped virtio devices"
depends on HAS_IOMEM && HAS_DMA

> Selected by [y]:
> - VIRT [=y] && M68KCLASSIC [=y] && MMU [=y]

How do you generate this warning?

The first version of my patch added the VIRTIO_MENU but Geert said it's not necessary because
VIRTIO_MENU defaults to y.

https://lore.kernel.org/lkml/CAMuHMdUFh2W-bY5Ez1aOTZQjq0=THvmOf22JdxWoNNtFLskSzw@mail.gmail.com/

>
>> + help
>> + This options enable a pure virtual machine based on m68k,
>> + VIRTIO MMIO devices and GOLDFISH interfaces (TTY, RTC, PIC)
>
> The sentence above needs an ending period ('.').
>

I agree.

Thanks,
Laurent

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