fix(core): use c_char for the aarch64-incompatible PCI bus id FFI buffer#321
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xiaguan merged 1 commit intoJun 10, 2026
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Description
Refs #320
cpu_topology.rsbuilt the PCI-bus-id buffer as[0i8; 32], which only type-checks wherec_char = i8(x86_64). On aarch64 (c_char = u8)openinfer-corefails to compile (E0308 at thecuDeviceGetPCIBusId/CStr::from_ptrcall sites). Switch the buffer to[c_char::default(); 32].Validated on an aarch64 node:
openinfer-corecompiles. x86_64 also compiles. A workspace-wide audit found no otheri8-as-c_charassumptions.Type of Change
Checklist
docs/conventions/coding-style.md).CLAUDE.md).