So it's done before the iommu is initialized. This is required in
order to be able to fetch the MMCFG regions from the domain struct.
No functional change.
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
---
Changes since v1:
- New in this version.
---
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
---
xen/arch/x86/hvm/dom0_build.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c
index f0cd63b1ec..5065729106 100644
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/arch/x86/hvm/dom0_build.c
@@ -1100,6 +1100,13 @@ int __init dom0_construct_pvh(struct domain *d, const
module_t *image,
return rc;
}
+ /*
+ * NB: MMCFG initialization needs to be performed before iommu
+ * initialization so the iommu code can fetch the MMCFG regions used by the
+ * domain.
+ */
+ pvh_setup_mmcfg(d);
+
iommu_hwdom_init(d);
rc = pvh_load_kernel(d, image, image_headroom, initrd,
bootstrap_map(image),
@@ -1124,8 +1131,6 @@ int __init dom0_construct_pvh(struct domain *d, const
module_t *image,
return rc;
}
- pvh_setup_mmcfg(d);
-
printk("WARNING: PVH is an experimental mode with limited
functionality\n");
return 0;
}
--
2.18.0
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