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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2019-04-15 14:36:48 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2019-04-15 14:39:46 +0200 |
| commit | e2bea7436061ca2e7e14bfcfdc5870f2555c3965 (patch) | |
| tree | 46c62ce8f227674d6880430f9623edb4e77b9f9a /lib/librte_vhost/vhost.h | |
| parent | a4f0fa29488e582ab8b5ef9db475b3d26ded690c (diff) | |
New upstream version 18.11.1
Change-Id: Ic52e74a9ed6f3ae06acea4a27357bd7153efc2a3
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_vhost/vhost.h')
| -rw-r--r-- | lib/librte_vhost/vhost.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 5218f1b1..552b9298 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -393,8 +393,10 @@ vq_is_packed(struct virtio_net *dev) static inline bool desc_is_avail(struct vring_packed_desc *desc, bool wrap_counter) { - return wrap_counter == !!(desc->flags & VRING_DESC_F_AVAIL) && - wrap_counter != !!(desc->flags & VRING_DESC_F_USED); + uint16_t flags = *((volatile uint16_t *) &desc->flags); + + return wrap_counter == !!(flags & VRING_DESC_F_AVAIL) && + wrap_counter != !!(flags & VRING_DESC_F_USED); } #define VHOST_LOG_PAGE 4096 |