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vhost: fix missing increment of log cache count

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The log_cache_nb_elem was never incremented, resulting
in all dirty pages to be missed during live migration.

Fixes: c16915b87109 ("vhost: improve dirty pages logging performance")
Cc: stable@dpdk.org

Reported-by: Peng He <xnhp0320@icloud.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
This commit is contained in:
Maxime Coquelin 2018-06-15 15:48:46 +02:00 committed by Ferruh Yigit
parent ebf2ed7208
commit e11411b52a
1 changed files with 1 additions and 0 deletions
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lib/librte_vhost/vhost.h
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@ -429,6 +429,7 @@ vhost_log_cache_page(struct virtio_net *dev, struct vhost_virtqueue *vq,
vq->log_cache[i].offset = offset;
vq->log_cache[i].val = (1UL << bit_nr);
vq->log_cache_nb_elem++;
}
static __rte_always_inline void