Re: [PATCH 06/11] migration: Move iov from pages to params

[Juan Quintela <quintela@redhat.com>]

Richard Henderson <richard.henderson@linaro.org> wrote:
> On 11/19/21 5:58 PM, Juan Quintela wrote:
>>   static int nocomp_send_prepare(MultiFDSendParams *p, uint32_t used,
>>                                  Error **errp)
>>   {
>> +    MultiFDPages_t *pages = p->pages;
>> +
>> +    for (int i = 0; i < used; i++) {
>> +        p->iov[p->iovs_used].iov_base = pages->block->host + pages->offset[i];
>> +        p->iov[p->iovs_used].iov_len = qemu_target_page_size();
>> +        p->iovs_used++;
>> +    }
>> +
>>       p->next_packet_size = used * qemu_target_page_size();
>
> Compute qemu_target_page_size once in the function.
> Hoist p->iovs_used to a local variable around the loop.
>
>> @@ -154,7 +162,11 @@ static int nocomp_recv_pages(MultiFDRecvParams *p, uint32_t used, Error **errp)
>>                      p->id, flags, MULTIFD_FLAG_NOCOMP);
>>           return -1;
>>       }
>> -    return qio_channel_readv_all(p->c, p->pages->iov, used, errp);
>> +    for (int i = 0; i < p->pages->used; i++) {
>> +        p->iov[i].iov_base = p->pages->block->host + p->pages->offset[i];
>> +        p->iov[i].iov_len = qemu_target_page_size();
>> +    }
>
> Similarly.

Done both.

Thank again, Juan.