Re: [RFC 7/11] virtio_pci: new, capability-aware driver.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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?
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization


[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux