Thread (5 messages) 5 messages, 5 authors, 2024-06-04

Re: [PATCH v2] vmxnet3: disable rx data ring on dma allocation failure

From: patchwork-bot+netdevbpf@kernel.org
Date: 2024-06-04 02:00:32

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Fri, 31 May 2024 12:37:11 +0200 you wrote:
When vmxnet3_rq_create() fails to allocate memory for rq->data_ring.base,
the subsequent call to vmxnet3_rq_destroy_all_rxdataring does not reset
rq->data_ring.desc_size for the data ring that failed, which presumably
causes the hypervisor to reference it on packet reception.

To fix this bug, rq->data_ring.desc_size needs to be set to 0 to tell
the hypervisor to disable this feature.

[...]
Here is the summary with links:
  - [v2] vmxnet3: disable rx data ring on dma allocation failure
    https://git.kernel.org/netdev/net/c/ffbe335b8d47

You are awesome, thank you!
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