On 07/01/2026 17:28, Oleksii Kurochko wrote:
> alloc_vcpu_struct() and free_vcpu_struct() contain little
> architecture-specific logic and are suitable for sharing across
> architectures. Move both helpers to common code.
>
> To support the remaining architectural differences, introduce
> arch_vcpu_struct_memflags(), allowing architectures to override the
> memory flags passed to alloc_xenheap_pages(). This is currently needed
> by x86, which may require MEMF_bits(32) for HVM guests using shadow
> paging.
>
> The ARM implementation of alloc/free_vcpu_struct() is removed and
> replaced by the common version. Stub implementations are also dropped
> from PPC and RISC-V.
>
> Now that the size of struct vcpu for Arm64 is smaller than PAGE_SIZE,
> MAX_PAGES_PER_VCPU is no longer needed and is removed.
>
> Finally, make alloc_vcpu_struct() and free_vcpu_struct() static to
> common/domain.c, as they are no longer used outside common code.
>
> No functional changes.
>
> Signed-off-by: Oleksii Kurochko <[email protected]>
> Acked-by: Jan Beulich <[email protected]>
> Reviewed-by: Andrew Cooper <[email protected]>
In case you need Arm tag here:
Acked-by: Michal Orzel <[email protected]>
~Michal
