Store the result of finding a "multiboot,device-tree" node. This will
simplity adding hardware domain checks.
Signed-off-by: Jason Andryuk <jason.andr...@amd.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
---
v4:
Add Stefano R-b
v3:
New
Could be squashed into the next patch, but this helps make the next one
cleaner.
---
xen/arch/arm/dom0less-build.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/xen/arch/arm/dom0less-build.c b/xen/arch/arm/dom0less-build.c
index 188ef40b52..50d2d3e4e4 100644
--- a/xen/arch/arm/dom0less-build.c
+++ b/xen/arch/arm/dom0less-build.c
@@ -1033,6 +1033,7 @@ void __init create_domUs(void)
.grant_opts = XEN_DOMCTL_GRANT_version(opt_gnttab_max_version),
};
unsigned int flags = 0U;
+ bool has_dtb = false;
uint32_t val;
int rc;
@@ -1067,9 +1068,10 @@ void __init create_domUs(void)
!strcmp(dom0less_iommu, "enabled") )
iommu = true;
- if ( iommu_enabled &&
- (iommu || dt_find_compatible_node(node, NULL,
- "multiboot,device-tree")) )
+ if ( dt_find_compatible_node(node, NULL, "multiboot,device-tree") )
+ has_dtb = true;
+
+ if ( iommu_enabled && (iommu || has_dtb) )
d_cfg.flags |= XEN_DOMCTL_CDF_iommu;
if ( !dt_property_read_u32(node, "nr_spis", &d_cfg.arch.nr_spis) )
--
2.49.0
