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Re: [PATCH v6 01/15] emul/vuart: introduce framework for UART emulators
- To: Mykola Kvach <xakep.amatop@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 8 Sep 2025 10:43:36 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, anthony.perard@xxxxxxxxxx, julien@xxxxxxx, michal.orzel@xxxxxxx, roger.pau@xxxxxxxxxx, sstabellini@xxxxxxxxxx, dmukhin@xxxxxxxx, dmukhin@xxxxxxx
- Delivery-date: Mon, 08 Sep 2025 08:43:54 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 08.09.2025 10:29, Mykola Kvach wrote:
> On Sat, Sep 6, 2025 at 2:27 AM <dmukhin@xxxxxxx> wrote:
>> --- /dev/null
>> +++ b/xen/common/emul/vuart/Kconfig
>> @@ -0,0 +1,6 @@
>> +config VUART_FRAMEWORK
>> + bool
>
> If VUART_FRAMEWORK has no dependencies, it can be enabled on any
> architecture. For example, I tried enabling it on arm64 and the build
> fails:
>
> ./include/xen/vuart.h:26:8: error: redefinition of ‘struct vuart’
>
> Should this config be restricted (e.g. "depends on X86") or the code
> adjusted to handle non-x86 architectures properly?
"depends on" isn't very useful when there's no prompt. An arch selecting
such an option will need to make sure things actually build when enabled.
Jan
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