Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+9
-9
+9
-9
net/vmw_vsock/virtio_transport.c
+9
-9
net/vmw_vsock/virtio_transport.c
···
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int rx_buf_nr;
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int rx_buf_max_nr;
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-
/* The following fields are protected by event_lock.
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* vqs[VSOCK_VQ_EVENT] must be accessed with event_lock held.
60
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*/
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struct mutex event_lock;
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bool event_run;
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__dma_from_device_group_begin();
64
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struct virtio_vsock_event event_list[8];
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__dma_from_device_group_end();
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-
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u32 guest_cid;
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bool seqpacket_allow;
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···
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*/
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struct scatterlist *out_sgs[MAX_SKB_FRAGS + 1];
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struct scatterlist out_bufs[MAX_SKB_FRAGS + 1];
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+
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+
/* The following fields are protected by event_lock.
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* vqs[VSOCK_VQ_EVENT] must be accessed with event_lock held.
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+
*/
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struct mutex event_lock;
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bool event_run;
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__dma_from_device_group_begin();
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struct virtio_vsock_event event_list[8];
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__dma_from_device_group_end();
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};
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static u32 virtio_transport_get_local_cid(void)