On 12/1/22 11:02, Rahul Singh wrote: > To configure IOMMU in guest for passthrough devices, user will need to > copy the unmodified "iommus" property from host device tree to partial > device tree. To enable the dom0 linux kernel to confiure the IOMMU > correctly replace the phandle in partial device tree with virtual > IOMMU phandle when "iommus" property is set. > > Signed-off-by: Rahul Singh <rahul.si...@arm.com> > --- > xen/arch/arm/domain_build.c | 31 ++++++++++++++++++++++++++++++- > 1 file changed, 30 insertions(+), 1 deletion(-) > > diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c > index 7cd99a6771..afb3e76409 100644 > --- a/xen/arch/arm/domain_build.c > +++ b/xen/arch/arm/domain_build.c > @@ -3235,7 +3235,35 @@ static int __init handle_prop_pfdt(struct kernel_info > *kinfo, > return ( propoff != -FDT_ERR_NOTFOUND ) ? propoff : 0; > } > > -static int __init scan_pfdt_node(struct kernel_info *kinfo, const void *pfdt, > +static void modify_pfdt_node(void *pfdt, int nodeoff)
This should have the __init attribute
