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[PATCH] microvm: turn off io reservations for pcie root ports
From: |
Gerd Hoffmann |
Subject: |
[PATCH] microvm: turn off io reservations for pcie root ports |
Date: |
Fri, 3 Jun 2022 10:59:20 +0200 |
The pcie host bridge has no io window on microvm,
so io reservations will not work.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/i386/microvm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 4b3b1dd262f1..f01d972f5d28 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -757,6 +757,12 @@ static void microvm_class_init(ObjectClass *oc, void *data)
"Set off to disable adding virtio-mmio devices to the kernel cmdline");
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
+
+ /*
+ * pcie host bridge (gpex) on microvm has no io address window,
+ * so reserving io space is not going to work. Turn it off.
+ */
+ object_register_sugar_prop("pcie-root-port", "io-reserve", "0", true);
}
static const TypeInfo microvm_machine_info = {
--
2.36.1
- [PATCH] microvm: turn off io reservations for pcie root ports,
Gerd Hoffmann <=
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Philippe Mathieu-Daudé, 2022/06/04
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Sergio Lopez, 2022/06/06
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Michael S. Tsirkin, 2022/06/08
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Gerd Hoffmann, 2022/06/09
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Michael S. Tsirkin, 2022/06/27
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Gerd Hoffmann, 2022/06/29
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Michael S. Tsirkin, 2022/06/29
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Gerd Hoffmann, 2022/06/29
- Re: [PATCH] microvm: turn off io reservations for pcie root ports, Michael S. Tsirkin, 2022/06/29