diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2025-12-29 18:58:05 -0500 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2026-01-28 15:32:08 -0500 |
| commit | f9108dee782fe45318a2c9f007fb72ab370d476d (patch) | |
| tree | 0090e51cb9daf6e3e51d5f05c1f5aa5bccaabcf8 | |
| parent | d08fda2cf2e68b4e0865f1bf0b49010db74da079 (diff) | |
vsock/virtio: reorder fields to reduce padding
Reorder struct virtio_vsock fields to place the DMA buffer (event_list)
last. This eliminates the padding from aligning the struct size on
ARCH_DMA_MINALIGN.
Message-ID: <ce44f61af415521e00ab7492aa16d3d19f00bd5e.1769632071.git.mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | net/vmw_vsock/virtio_transport.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 999a0839726a..b333a7591b26 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -55,15 +55,6 @@ struct virtio_vsock { int rx_buf_nr; int rx_buf_max_nr; - /* The following fields are protected by event_lock. - * vqs[VSOCK_VQ_EVENT] must be accessed with event_lock held. - */ - struct mutex event_lock; - bool event_run; - __dma_from_device_group_begin(); - struct virtio_vsock_event event_list[8]; - __dma_from_device_group_end(); - u32 guest_cid; bool seqpacket_allow; @@ -77,6 +68,15 @@ struct virtio_vsock { */ struct scatterlist *out_sgs[MAX_SKB_FRAGS + 1]; struct scatterlist out_bufs[MAX_SKB_FRAGS + 1]; + + /* The following fields are protected by event_lock. + * vqs[VSOCK_VQ_EVENT] must be accessed with event_lock held. + */ + struct mutex event_lock; + bool event_run; + __dma_from_device_group_begin(); + struct virtio_vsock_event event_list[8]; + __dma_from_device_group_end(); }; static u32 virtio_transport_get_local_cid(void) |