[Xen-changelog] [qemu-xen master] hw/acpi: Limit hotplug to root bus on legacy mode

[patchbot@xxxxxxx]

commit 2c3a8cc58162328267ecb25d6b610b00d886c887
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Wed Sep 6 14:40:31 2017 +0100
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu Sep 28 16:53:04 2017 -0500

    hw/acpi: Limit hotplug to root bus on legacy mode
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Reviewed-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    (cherry picked from commit f5855994fee2f8815dc86b8453e4a63e290aea05)
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 hw/acpi/pcihp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 @@ static void pci_write(void *opaque, hwaddr addr, uint64_t 
data,
                       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:
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master

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