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vsock/virtio: reorder fields to reduce padding

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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>
This commit is contained in:
Michael S. Tsirkin
2025-12-29 18:58:05 -05:00
parent d08fda2cf2
commit f9108dee78
1 changed files with 9 additions and 9 deletions
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18
net/vmw_vsock/virtio_transport.c
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@@ -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)