Re: [v4 01/16] KVM: Extend struct pi_desc for VT-d Posted-Interrupts

[Paolo Bonzini <pbonzini@redhat.com>]

On 24/06/2015 07:42, Wu, Feng wrote:
> Do you mean we don't use bitfields at all, or the following format is
> acceptable, in which, we use bitfileds as less as possible?

>     union {
>         struct
>         {
>         u16 on     : 1,  /* bit 256 - Outstanding Notification */
>             sn     : 1,  /* bit 257 - Suppress Notification */
>             rsvd_1 : 14; /* bit 271:258 - Reserved */
>         u8  nv;          /* bit 279:272 - Notification Vector */
>         u8  rsvd_2;      /* bit 287:280 - Reserved */
>         u32 ndst;        /* bit 319:288 - Notification Destination */
>         };
>         u64 control;

This is okay.

Paolo