commit 2c3a8cc58162328267ecb25d6b610b00d886c887
author Anthony PERARD <anthony.perard@citrix.com> Wed Sep 06 14:40:31 2017 +0100
committer Michael Roth <mdroth@linux.vnet.ibm.com> Thu Sep 28 16:53:04 2017 -0500
tree 2916e06b0fbeab6c8de94ce0ac9342957af3eadf
parent 0691b70a2a16824846e878b91487e99cca6a34e7

hw/acpi: Limit hotplug to root bus on legacy mode

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit f5855994fee2f8815dc86b8453e4a63e290aea05)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

hw/acpi/pcihp.c

diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index c420a38..9db3c2e 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -273,7 +273,7 @@
                       addr, data);
         break;
     case PCI_SEL_BASE:
-        s->hotplug_select = data;
+        s->hotplug_select = s->legacy_piix ? ACPI_PCIHP_BSEL_DEFAULT : data;
         ACPI_PCIHP_DPRINTF("pcisel write %" HWADDR_PRIx " <== %" PRIu64 "\n",
                       addr, data);
     default: