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Update kernel configs for virtio-mem and virtio-pmem support #5454

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Merged
merged 2 commits into from
Sep 29, 2025
Merged

Update kernel configs for virtio-mem and virtio-pmem support #5454

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51256b8
chore(virtio-pmem): new guest kernel config
ShadowCurse Sep 26, 2025
4c9e091
chore(virtio-mem): new guest kernel config
ShadowCurse Sep 26, 2025
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2 changes: 2 additions & 0 deletions resources/guest_configs/virtio-mem.config
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
CONFIG_VIRTIO_MEM=y
CONFIG_STRICT_DEVMEM=y
22 changes: 22 additions & 0 deletions resources/guest_configs/virtio-pmem.config
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@@ -0,0 +1,22 @@
# Needed for DAX on aarch64. Will be ignored on x86_64
CONFIG_ARM64_PMEM=y

CONFIG_DEVICE_MIGRATION=y
CONFIG_ZONE_DEVICE=y
CONFIG_VIRTIO_PMEM=y
CONFIG_LIBNVDIMM=y
CONFIG_BLK_DEV_PMEM=y
CONFIG_ND_CLAIM=y
CONFIG_ND_BTT=y
CONFIG_BTT=y
CONFIG_ND_PFN=y
CONFIG_NVDIMM_PFN=y
CONFIG_NVDIMM_DAX=y
CONFIG_OF_PMEM=y
CONFIG_NVDIMM_KEYS=y
CONFIG_DAX=y
CONFIG_DEV_DAX=y
CONFIG_DEV_DAX_PMEM=y
CONFIG_DEV_DAX_KMEM=y
CONFIG_FS_DAX=y
CONFIG_FS_DAX_PMD=y
12 changes: 7 additions & 5 deletions resources/rebuild.sh
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Expand Up @@ -248,15 +248,17 @@ function build_al_kernels {

CI_CONFIG="$PWD/guest_configs/ci.config"
PCIE_CONFIG="$PWD/guest_configs/pcie.config"
PMEM_CONFIG="$PWD/guest_configs/virtio-pmem.config"
MEM_CONFIG="$PWD/guest_configs/virtio-mem.config"

if [[ "$KERNEL_VERSION" == @(all|5.10) ]]; then
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10.config "$CI_CONFIG" "$PCIE_CONFIG"
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10.config "$CI_CONFIG" "$PCIE_CONFIG" "$PMEM_CONFIG" "$MEM_CONFIG"
fi
if [[ $ARCH == "x86_64" && "$KERNEL_VERSION" == @(all|5.10-no-acpi) ]]; then
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10-no-acpi.config "$CI_CONFIG" "$PCIE_CONFIG"
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10-no-acpi.config "$CI_CONFIG" "$PCIE_CONFIG" "$PMEM_CONFIG" "$MEM_CONFIG"
fi
if [[ "$KERNEL_VERSION" == @(all|6.1) ]]; then
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-6.1.config "$CI_CONFIG" "$PCIE_CONFIG"
build_al_kernel $PWD/guest_configs/microvm-kernel-ci-$ARCH-6.1.config "$CI_CONFIG" "$PCIE_CONFIG" "$PMEM_CONFIG" "$MEM_CONFIG"
fi

# Build debug kernels
Expand All @@ -265,11 +267,11 @@ function build_al_kernels {
OUTPUT_DIR=$OUTPUT_DIR/debug
mkdir -pv $OUTPUT_DIR
if [[ "$KERNEL_VERSION" == @(all|5.10) ]]; then
build_al_kernel "$PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10.config" "$CI_CONFIG" "$PCIE_CONFIG" "$FTRACE_CONFIG" "$DEBUG_CONFIG"
build_al_kernel "$PWD/guest_configs/microvm-kernel-ci-$ARCH-5.10.config" "$CI_CONFIG" "$PCIE_CONFIG" "$PMEM_CONFIG" "$MEM_CONFIG" "$FTRACE_CONFIG" "$DEBUG_CONFIG"
vmlinux_split_debuginfo $OUTPUT_DIR/vmlinux-5.10.*
fi
if [[ "$KERNEL_VERSION" == @(all|6.1) ]]; then
build_al_kernel "$PWD/guest_configs/microvm-kernel-ci-$ARCH-6.1.config" "$CI_CONFIG" "$PCIE_CONFIG" "$FTRACE_CONFIG" "$DEBUG_CONFIG"
build_al_kernel "$PWD/guest_configs/microvm-kernel-ci-$ARCH-6.1.config" "$CI_CONFIG" "$PCIE_CONFIG" "$PMEM_CONFIG" "$MEM_CONFIG" "$FTRACE_CONFIG" "$DEBUG_CONFIG"
vmlinux_split_debuginfo $OUTPUT_DIR/vmlinux-6.1.*
fi
}
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