diff options
Diffstat (limited to 'hw/pci-bridge/gen_pcie_root_port.c')
| -rw-r--r-- | hw/pci-bridge/gen_pcie_root_port.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/pci-bridge/gen_pcie_root_port.c b/hw/pci-bridge/gen_pcie_root_port.c index 20099a8ae3..1ce4e7beba 100644 --- a/hw/pci-bridge/gen_pcie_root_port.c +++ b/hw/pci-bridge/gen_pcie_root_port.c @@ -87,7 +87,12 @@ static void gen_rp_realize(DeviceState *dev, Error **errp) return; } - if (grp->res_reserve.io == -1 && s->hotplug && !s->native_hotplug) { + /* + * reserving IO space led to worse issues in 6.1, when this hunk was + * introduced. (see commit: 211afe5c69b59). Keep this broken for 6.1 + * machine type ABI compatibility only + */ + if (s->hide_native_hotplug_cap && grp->res_reserve.io == -1 && s->hotplug) { grp->res_reserve.io = GEN_PCIE_ROOT_DEFAULT_IO_RANGE; } int rc = pci_bridge_qemu_reserve_cap_init(d, 0, |