Is there any semantic difference between the following two instructions? {.opcode = BPF_ALU64 | BPF_MOV | BPF_K, .offset = 0, .imm = -1} {.opcode = BPF_ALU64 | BPF_MOVSX | BPF_K, .offset = 32, .imm = -1} From my reading both of them treat imm as a signed 32-bit number and sign-extend it to 64 bits. Dave |
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