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misc: Change cpu ID type from u8 to u32

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This is the first change to Cloud Hypervisor in a series of changes
intended to increase the max number of supported vCPUs in guest VMs,
which is currently limited to 255 (254 on x86_64).

No user-visible/behavior changes are expected as a result of
applying this patch, as the type of boot_cpus and related
fields in config structs remains u8 for now, and all configuration
validations remain the same.

Signed-off-by: Barret Rhoden <brho@google.com>
Signed-off-by: Neel Natu <neelnatu@google.com>
Signed-off-by: Ofir Weisse <oweisse@google.com>
Signed-off-by: Peter Oskolkov <posk@google.com>
This commit is contained in:
Peter Oskolkov
2025-07-29 19:02:20 +00:00
committed by Bo Chen
parent 5d478c534e
commit aa8e9cd91a
21 changed files with 116 additions and 123 deletions
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2
arch/src/lib.rs
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@@ -123,7 +123,7 @@ fn pagesize() -> usize {
pub struct NumaNode {
pub memory_regions: Vec<Arc<GuestRegionMmap>>,
pub hotplug_regions: Vec<Arc<GuestRegionMmap>>,
pub cpus: Vec<u8>,
pub cpus: Vec<u32>,
pub pci_segments: Vec<u16>,
pub distances: BTreeMap<u32, u8>,
pub memory_zones: Vec<String>,