diff --git a/target/linux/x86/64/config-6.12 b/target/linux/x86/64/config-6.12
index bb28d596a37..ab74aef214c 100644
--- a/target/linux/x86/64/config-6.12
+++ b/target/linux/x86/64/config-6.12
@@ -333,6 +333,7 @@ CONFIG_MITIGATION_IBRS_ENTRY=y
 CONFIG_MITIGATION_PAGE_TABLE_ISOLATION=y
 # CONFIG_MITIGATION_SLS is not set
 CONFIG_MMC=y
+CONFIG_MMCONF_FAM10H=y
 CONFIG_MMC_BLOCK=y
 CONFIG_MMC_CQHCI=y
 CONFIG_MMC_RICOH_MMC=y
@@ -390,7 +391,7 @@ CONFIG_PCIEPORTBUS=y
 CONFIG_PCIE_PME=y
 CONFIG_PCI_HYPERV=y
 CONFIG_PCI_HYPERV_INTERFACE=y
-# CONFIG_PCI_MMCONFIG is not set
+CONFIG_PCI_MMCONFIG=y
 CONFIG_PCI_PASID=y
 CONFIG_PCI_PRI=y
 CONFIG_PCI_XEN=y