[Xen-devel] [PATCH v2 for-4.8 2/2] libxc: set rsdp pointer for PVHv2 guests

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

Set the address of the RSDP in the HVM start info structure for PVHv2 DomUs
that have ACPI tables.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
Changes since v1:
 - Reword code comment.
---
 tools/libxc/xc_dom_x86.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxc/xc_dom_x86.c b/tools/libxc/xc_dom_x86.c
index 0eab8a7..6495e7f 100644
--- a/tools/libxc/xc_dom_x86.c
+++ b/tools/libxc/xc_dom_x86.c
@@ -1797,6 +1797,9 @@ static int bootlate_hvm(struct xc_dom_image *dom)
             modlist[0].size = dom->ramdisk_seg.vend - dom->ramdisk_seg.vstart;
             start_info->nr_modules = 1;
         }
+
+        /* ACPI module 0 is the RSDP */
+        start_info->rsdp_paddr = dom->acpi_modules[0].guest_addr_out ? : 0;
     }
     else
     {
-- 
2.7.4 (Apple Git-66)


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