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Date:   Mon, 4 Apr 2022 00:44:30 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org,
        linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 8/8] virtio_ring.h: do not include <stdint.h> from
 exported header
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References: <20220404061948.2111820-1-masahiroy@kernel.org>
 <20220404061948.2111820-9-masahiroy@kernel.org>
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On Mon, Apr 04, 2022 at 03:19:48PM +0900, Masahiro Yamada wrote:
>  	vr->num = num;
>  	vr->desc = p;
>  	vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct vring_desc));
> -	vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16)
> +	vr->used = (void *)(((__kernel_uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16)
>  		+ align-1) & ~(align - 1));

This really does not look like it should be in a uapi header to start
with.