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[v2,for-4.8,2/2] libxc: set rsdp pointer for PVHv2 guests

Message ID 1478532721-20160-3-git-send-email-roger.pau@citrix.com (mailing list archive)
State New, archived
Headers show

Commit Message

Roger Pau Monné Nov. 7, 2016, 3:32 p.m. UTC 
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@citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
Changes since v1:
 - Reword code comment.
---
 tools/libxc/xc_dom_x86.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Boris Ostrovsky Nov. 7, 2016, 3:46 p.m. UTC | #1 
On 11/07/2016 10:32 AM, Roger Pau Monne wrote:
> 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@citrix.com>
> ---
> Cc: Ian Jackson <ian.jackson@eu.citrix.com>
> Cc: Wei Liu <wei.liu2@citrix.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Andrew Cooper Nov. 7, 2016, 3:59 p.m. UTC | #2 
On 07/11/16 15:32, Roger Pau Monne wrote:
> 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@citrix.com>
> ---
> Cc: Ian Jackson <ian.jackson@eu.citrix.com>
> Cc: Wei Liu <wei.liu2@citrix.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff mbox

Patch

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
     {