From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [RFC 7/11] virtio_pci: new, capability-aware driver.
Date: Sun, 11 Dec 2011 11:42:56 +0200
Message-ID: <20111211094256.GB11504@redhat.com>
References: <87pqfzgy6p.fsf@rustcorp.com.au> <87zkf3fiu2.fsf@rustcorp.com.au>
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To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Sasha Levin <levinsasha928@gmail.com>, virtualization <virtualization@lists.linux-foundation.org>
List-Id: virtualization@lists.linuxfoundation.org

On Thu, Dec 08, 2011 at 09:09:33PM +1030, Rusty Russell wrote:
> +/* There is no iowrite64.  We use two 32-bit ops. */
> +static void iowrite64(u64 val, const __le64 *addr)
> +{
> +	iowrite32((u32)val, (__le32 *)addr);
> +	iowrite32(val >> 32, (__le32 *)addr + 1);
> +}
> +

Let's put addr_lo/addr_hi in the structure then,
to make the fact this field is not atomic explicit?