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SubjectRe: [PATCH 13/83] hsa/radeon: Add 2 new IOCTL to kfd, CREATE_QUEUE and DESTROY_QUEUE
From
> +/* The 64-bit ABI is the authoritative version. */
> +#pragma pack(push, 8)
> +

Don't do this, pad and align things explicitly in structs.

> +struct kfd_ioctl_create_queue_args {
> + uint64_t ring_base_address; /* to KFD */
> + uint32_t ring_size; /* to KFD */
> + uint32_t gpu_id; /* to KFD */
> + uint32_t queue_type; /* to KFD */
> + uint32_t queue_percentage; /* to KFD */
> + uint32_t queue_priority; /* to KFD */
> + uint64_t write_pointer_address; /* to KFD */
> + uint64_t read_pointer_address; /* to KFD */
> +
> + uint64_t doorbell_address; /* from KFD */
> + uint32_t queue_id; /* from KFD */
> +};
> +

maybe put all the uint64_t at the start, or add explicit padding.

Dave.


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