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SubjectRe: [PATCH 2/3] xen netback: add fault injection facility
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On 04/20/18 15:00, Juergen Gross wrote:
> On 20/04/18 14:52, staskins@amazon.com wrote:
>> On 04/20/18 13:25, Juergen Gross wrote:
>>> On 20/04/18 12:47, Stanislav Kinsburskii wrote:
>>>> +    for (fi = 0; fi < XENVIF_FI_MAX; fi++) {
>>>> +        vfi->faults[fi] = xen_fi_dir_add(vfi->dir,
>>>> +                xenvif_fi_names[fi]);
>>> How does this work? xenvif_fi_names[] is an empty array and this is the
>>> only reference to it. Who is allocating the memory for that array?
>> Well, it works in the way one adds a var to enum (which is used as a key
>> later) and a corresponding string into the array (which is used as a
>> name for the fault directory in sysfs).
> Then you should size the array via XENVIF_FI_MAX.

Makes sense.
Thanks!

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