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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/hypervisor/703
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+Resizable BAR (ReBAR) support on VFIO
+Additional information:
+Currently `vfio_add_ext_cap()` doesn't pass ReBAR support option to VFIO.
+
+There was a report that removing the line you see below makes it boot, but the system is not stable.
+Needs investigation.
+
+[https://github.com/qemu/qemu/blob/2255564fd21059960966b47212def9069cb56077/hw/vfio/pci.c#L2089](https://github.com/qemu/qemu/blob/2255564fd21059960966b47212def9069cb56077/hw/vfio/pci.c#L2089)
+```        switch (cap_id) {
+        case 0: /* kernel masked capability */
+        case PCI_EXT_CAP_ID_SRIOV: /* Read-only VF BARs confuse OVMF */
+        case PCI_EXT_CAP_ID_ARI: /* XXX Needs next function virtualization */
+        case PCI_EXT_CAP_ID_REBAR: /* Can't expose read-only */
+            trace_vfio_add_ext_cap_dropped(vdev->vbasedev.name, cap_id, next);
+```
+
+[Discussion link](https://forum.level1techs.com/t/smart-access-memory-vs-qemu-kvm/169447)