search for: wenan

Displaying 11 results from an estimated 11 matches for "wenan".

Did you mean: renan
2020 Aug 20
0
[PATCH AUTOSEL 5.8 21/27] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 5.7 19/24] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 5.4 17/22] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 4.19 14/18] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 4.14 11/13] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 4.9 09/11] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 20
0
[PATCH AUTOSEL 4.4 08/10] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
From: Mao Wenan <wenan.mao at linux.alibaba.com> [ Upstream commit 481a0d7422db26fb63e2d64f0652667a5c6d0f3e ] The loop may exist if vq->broken is true, virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split will return NULL, so virtnet_poll will reschedule napi to receive packet, it will lead cpu u...
2020 Aug 02
0
[PATCH -next v2] virtio_net: Avoid loop in virtnet_poll
On Sun, Aug 02, 2020 at 01:56:33PM +0800, Mao Wenan wrote: > The loop may exist if vq->broken is true, > virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split > will return NULL, so virtnet_poll will reschedule napi to > receive packet, it will lead cpu usage(si) to 100%. > > call trace as below: > virtnet_poll > v...
2020 Aug 02
0
[PATCH -next v2] virtio_net: Avoid loop in virtnet_poll
Just noticed the subject is wrong: this is no longer a virtio_net patch. On Sun, Aug 02, 2020 at 01:56:33PM +0800, Mao Wenan wrote: > The loop may exist if vq->broken is true, > virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split > will return NULL, so virtnet_poll will reschedule napi to > receive packet, it will lead cpu usage(si) to 100%. > > call trace as below: > virtnet_poll > v...
2020 Aug 04
0
[PATCH -next v3] virtio_ring: Avoid loop when vq is broken in virtqueue_poll
On 2020/8/2 ??3:44, Mao Wenan wrote: > The loop may exist if vq->broken is true, > virtqueue_get_buf_ctx_packed or virtqueue_get_buf_ctx_split > will return NULL, so virtnet_poll will reschedule napi to > receive packet, it will lead cpu usage(si) to 100%. > > call trace as below: > virtnet_poll > vi...
2020 Aug 11
1
[GIT PULL] virtio: features, fixes
...cessing vhost: generialize backend features setting/getting vhost-vdpa: support get/set backend features vhost-vdpa: support IOTLB batching hints vdpasim: support batch updating Liao Pingfang (1): virtio_pci_modern: Fix the comment of virtio_pci_find_capability() Mao Wenan (1): virtio_ring: Avoid loop when vq is broken in virtqueue_poll Maor Gottlieb (2): net/mlx5: Export resource dump interface net/mlx5: Add support in query QP, CQ and MKEY segments Max Gurtovoy (2): vdpasim: protect concurrent access to iommu iotlb vdpa: remove hard...