Re: [PATCH] hw/xen/arch_hvm: Unify x86 and ARM variants

[Stefano Stabellini]

On Tue, 13 May 2025, Philippe Mathieu-Daudé wrote:
> As each target declares the same prototypes, we can
> use a single header, removing the TARGET_XXX uses.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
>  include/hw/arm/xen_arch_hvm.h  |  9 ---------
>  include/hw/i386/xen_arch_hvm.h | 11 -----------
>  include/hw/xen/arch_hvm.h      | 14 ++++++++++----
>  hw/arm/xen-pvh.c               |  1 -
>  4 files changed, 10 insertions(+), 25 deletions(-)
>  delete mode 100644 include/hw/arm/xen_arch_hvm.h
>  delete mode 100644 include/hw/i386/xen_arch_hvm.h
> 
> diff --git a/include/hw/arm/xen_arch_hvm.h b/include/hw/arm/xen_arch_hvm.h
> deleted file mode 100644
> index 8fd645e7232..00000000000
> --- a/include/hw/arm/xen_arch_hvm.h
> +++ /dev/null
> @@ -1,9 +0,0 @@
> -#ifndef HW_XEN_ARCH_ARM_HVM_H
> -#define HW_XEN_ARCH_ARM_HVM_H
> -
> -#include <xen/hvm/ioreq.h>
> -void arch_handle_ioreq(XenIOState *state, ioreq_t *req);
> -void arch_xen_set_memory(XenIOState *state,
> -                         MemoryRegionSection *section,
> -                         bool add);
> -#endif
> diff --git a/include/hw/i386/xen_arch_hvm.h b/include/hw/i386/xen_arch_hvm.h
> deleted file mode 100644
> index 1000f8f5433..00000000000
> --- a/include/hw/i386/xen_arch_hvm.h
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -#ifndef HW_XEN_ARCH_I386_HVM_H
> -#define HW_XEN_ARCH_I386_HVM_H
> -
> -#include <xen/hvm/ioreq.h>
> -#include "hw/xen/xen-hvm-common.h"
> -
> -void arch_handle_ioreq(XenIOState *state, ioreq_t *req);
> -void arch_xen_set_memory(XenIOState *state,
> -                         MemoryRegionSection *section,
> -                         bool add);
> -#endif
> diff --git a/include/hw/xen/arch_hvm.h b/include/hw/xen/arch_hvm.h
> index df39c819c8f..8bacaa4ec41 100644
> --- a/include/hw/xen/arch_hvm.h
> +++ b/include/hw/xen/arch_hvm.h
> @@ -1,5 +1,11 @@
> -#if defined(TARGET_I386) || defined(TARGET_X86_64)
> -#include "hw/i386/xen_arch_hvm.h"
> -#elif defined(TARGET_ARM) || defined(TARGET_AARCH64)
> -#include "hw/arm/xen_arch_hvm.h"
> +#ifndef HW_XEN_ARCH_HVM_H
> +#define HW_XEN_ARCH_HVM_H
> +
> +#include <xen/hvm/ioreq.h>
> +#include "hw/xen/xen-hvm-common.h"
> +
> +void arch_handle_ioreq(XenIOState *state, ioreq_t *req);
> +void arch_xen_set_memory(XenIOState *state,
> +                         MemoryRegionSection *section,
> +                         bool add);
>  #endif
> diff --git a/hw/arm/xen-pvh.c b/hw/arm/xen-pvh.c
> index 4b26bcff7a5..1a9eeb01c8e 100644
> --- a/hw/arm/xen-pvh.c
> +++ b/hw/arm/xen-pvh.c
> @@ -10,7 +10,6 @@
>  #include "hw/boards.h"
>  #include "system/system.h"
>  #include "hw/xen/xen-pvh-common.h"
> -#include "hw/xen/arch_hvm.h"
>  
>  #define TYPE_XEN_ARM  MACHINE_TYPE_NAME("xenpvh")
>  
> -- 
> 2.47.1
>