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vmm: store PCI MMIO allocators as slices

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The allocator lists are sized from the fixed PCI segment count.
They are only indexed afterwards, so boxed slices fit the use.

On-behalf-of: SAP philipp.schuster@sap.com
Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
This commit is contained in:
Philipp Schuster
2026-05-14 11:04:02 +02:00
committed by Rob Bradford
parent 8574bf4c13
commit c2c3178038
1 changed files with 4 additions and 4 deletions
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8
vmm/src/device_manager.rs
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@@ -711,8 +711,8 @@ pub(crate) struct AddressManager {
pub(crate) mmio_bus: Arc<Bus>,
pub(crate) vm: Arc<dyn hypervisor::Vm>,
device_tree: Arc<Mutex<DeviceTree>>,
pci_mmio32_allocators: Vec<Arc<Mutex<AddressAllocator>>>,
pci_mmio64_allocators: Vec<Arc<Mutex<AddressAllocator>>>,
pci_mmio32_allocators: Box<[Arc<Mutex<AddressAllocator>>]>,
pci_mmio64_allocators: Box<[Arc<Mutex<AddressAllocator>>]>,
}
impl DeviceRelocation for AddressManager {
@@ -1160,7 +1160,7 @@ fn create_mmio_allocators(
num_pci_segments: u16,
weights: &[u32],
alignment: u64,
) -> Vec<Arc<Mutex<AddressAllocator>>> {
) -> Box<[Arc<Mutex<AddressAllocator>>]> {
let total_weight: u32 = weights.iter().sum();
// Start each PCI segment mmio range on an aligned boundary
@@ -1187,7 +1187,7 @@ fn create_mmio_allocators(
i += weight;
}
mmio_allocators
mmio_allocators.into_boxed_slice()
}
fn use_64bit_bar_for_virtio_device(