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SubjectRe: [PATCH v6 2/3] io_uring: add IOURING_REGISTER_RESTRICTIONS opcode
On Mon, Jan 04, 2021 at 01:26:41AM +1100, Daurnimator wrote:
>On Fri, 28 Aug 2020 at 00:59, Stefano Garzarella <sgarzare@redhat.com> wrote:
>> + __u8 register_op; /* IORING_RESTRICTION_REGISTER_OP */
>
>Can you confirm that this intentionally limited the future range of
>IORING_REGISTER opcodes to 0-255?
>

It was based on io_uring_probe, so we used u8 for opcodes, but we have
room to extend it in the future.

So, for now, this allow to register restrictions up to 255
IORING_REGISTER opcode.

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