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Re: [PATCH v3 5/5] xen/common: move device initialization code to common code
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 25 Sep 2024 10:39:55 +0200
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 25 Sep 2024 08:39:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.09.2024 18:42, Oleksii Kurochko wrote:
> Remove the device initialization code from `xen/arch/arm/device.c`
> and move it to the common code to avoid duplication and make it accessible
> for both ARM and other architectures.
> device_get_class(), device_init(), _sdevice[] and _edevice[] are wrapped by
> "#ifdef CONFIG_HAS_DEVICE_TREE" for the case if an arch doesn't support
> device tree.
>
> Remove unnecessary inclusions of <asm/device.h> and <xen/init.h> from
> `xen/arch/arm/device.c` as no code in the file relies on these headers.
> Fix the inclusion order by moving <asm/setup.h> after <xen/*> headers to
> resolve a compilation error:
> ./include/public/xen.h:968:35: error: unknown type name 'uint64_t'
> 968 | __DEFINE_XEN_GUEST_HANDLE(uint64, uint64_t);
> | ^~~~~~~~
> ./include/public/arch-arm.h:191:21: note: in definition of macro
> '___DEFINE_XEN_GUEST_HANDLE'
> 191 | typedef union { type *p; uint64_aligned_t q; } \
> | ^~~~
> ./include/public/xen.h:968:1: note: in expansion of macro
> '__DEFINE_XEN_GUEST_HANDLE'
> 968 | __DEFINE_XEN_GUEST_HANDLE(uint64, uint64_t);
> because <asm/setup.h> includes <public/version.h>, which in turn includes
> "xen.h", which requires <xen/types.h> to be processed correctly.
> Additionally, add <xen/device_tree.h> to `device.c` as functions from this
> header are used within the file.
>
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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