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Re: [PATCH v2 01/15] xen: Clean up asm-generic/device.h
- To: Alejandro Vallejo <agarciav@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 6 Jun 2025 08:51:01 +0200
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Fri, 06 Jun 2025 06:51:18 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 05.06.2025 21:47, Alejandro Vallejo wrote:
> --- a/xen/include/asm-generic/device.h
> +++ b/xen/include/asm-generic/device.h
> @@ -1,14 +1,20 @@
> /* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * This header helps DTB-based architectures abstract away where a particular
> + * device came from, be it the DTB itself or enumerated on a PCI bus.
> + */
> #ifndef __ASM_GENERIC_DEVICE_H__
> #define __ASM_GENERIC_DEVICE_H__
>
> +#ifndef CONFIG_HAS_DEVICE_TREE
> +#error "Header for exclusive use of DTB-based architectures"
> +#endif
> +
> #include <xen/stdbool.h>
>
> enum device_type
> {
> -#ifdef CONFIG_HAS_DEVICE_TREE
> DEV_DT,
> -#endif
> DEV_PCI
> };
My objection to these changes remains; as a generic header it ought to be what
that attribute says - generic.
Jan
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