[PATCH 2/6] virt: bao: Add Bao IPC shared memory driver

[Andrew Jones]

On Wed, Jan 07, 2026 at 04:28:25PM +0000, joaopeixoto at osyx.tech wrote:
...
> diff --git a/arch/riscv/include/asm/bao.h b/arch/riscv/include/asm/bao.h
> new file mode 100644
> index 000000000000..35658f37e1bd
> --- /dev/null
> +++ b/arch/riscv/include/asm/bao.h
> @@ -0,0 +1,31 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Bao Hypervisor Hypercall Interface
> + *
> + * Copyright (c) Bao Project and Contributors. All rights reserved.
> + *
> + * Authors:
> + *	João Peixoto <joaopeixoto at osyx.tech>
> + *	José Martins <jose at osyx.tech>
> + *	David Cerdeira <davidmcerdeira at osyx.tech>
> + */
> +
> +#ifndef __ASM_RISCV_BAO_H
> +#define __ASM_RISCV_BAO_H
> +
> +#include <asm/sbi.h>
> +
> +#define BAO_SBI_EXT_ID 0x08000ba0
> +
> +static inline unsigned long bao_ipcshmem_hypercall(unsigned long hypercall_id,
> +						   unsigned long ipcshmem_id)
> +{
> +	struct sbiret ret;
> +
> +	ret = sbi_ecall(BAO_SBI_EXT_ID, hypercall_id, ipcshmem_id, 0, 0, 0, 0,
> +			0);

Just let lines like these stick out. We have up to 100 chars and these
types of few-char wraps are the most annoying.

Thanks,
drew