Re: [Xen-devel] [PATCH 0/4] Add V4V to Xen v5

[Jean Guyader <jean.guyader@xxxxxxxxx>]

On 20 September 2012 11:22, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 20.09.12 at 11:47, Jean Guyader <jean.guyader@xxxxxxxxxx> wrote:
>> v5 changes:
>>         - Fix prototypes in v4v.h for do_v4v_op
>>         - Add padding to make sure all the structures
>>           are 64 bits aligned
>>         - Replace [0] with []
>
> But that isn't standard C either (before C99 at least).
>

I found that in xen/public/physdev.h

struct physdev_pci_device_add {
    /* IN */
    uint16_t seg;
    uint8_t bus;
    uint8_t devfn;
    uint32_t flags;
    struct {
        uint8_t bus;
        uint8_t devfn;
    } physfn;
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    uint32_t optarr[];
#elif defined(__GNUC__)
    uint32_t optarr[0];
#endif
};

Would something similar be ok?

Thanks,
Jean

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