On 21/06/2025 17:11, Koichiro Den wrote:
> This is preparatory work for the upcoming commits that implement the
> standard PV time interface (ARM DEN 0057A).
I personally don't find such messages useful. If at all, reasoning should be
given first and then this message could appear.
>
> No functional changes intended.
>
> Signed-off-by: Koichiro Den <d...@valinux.co.jp>
> ---
> xen/arch/arm/domain_build.c | 29 ++++++++++++++++++-----------
> 1 file changed, 18 insertions(+), 11 deletions(-)
>
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index 4ff161887ec3..9d44b6fa9470 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -1070,6 +1070,23 @@ static int __init find_host_extended_regions(const
> struct kernel_info *kinfo,
> return res;
> }
>
> +static int __init find_unused_regions(struct domain *d,
> + const struct kernel_info *kinfo,
Let's not propagate unjustified (IMO) behavior of passing both domain and kinfo
pointers. The latter contains the domain member and therefore is sufficient as
argument.
> + struct membanks *ext_regions)
> +{
> + if ( domain_use_host_layout(d) )
> + {
> + if ( !is_iommu_enabled(d) )
> + return find_host_extended_regions(kinfo, ext_regions);
> + else
> + return find_memory_holes(kinfo, ext_regions);
> + }
> + else
> + {
You can take opportunity to drop unneeded braces
Otherwise, LGTM.
~Michal