Re: [dpdk-dev] [PATCH v2] vhost: avoid iotlb mempool allocation while IOMMU disabled

On Wed, Apr 7, 2021 at 9:10 AM Xia, Chenbo [off-list ref] wrote:

quoted

-----Original Message-----
From: Wan Junjie <redacted>
Sent: Tuesday, February 2, 2021 4:15 PM
To: Xia, Chenbo <redacted>; Maxime Coquelin
[off-list ref]
Cc: dev@dpdk.org; Wan Junjie <redacted>; Peng He
[off-list ref]; Zhihong Wang [off-list ref]
Subject: [PATCH v2] vhost: avoid iotlb mempool allocation while IOMMU disabled

If vhost device's IOMMU feature is disabled, iotlb mempool allocation
is unnecessary.

Reported-by: Peng He <redacted>
Signed-off-by: Wan Junjie <redacted>
Reviewed-by: Zhihong Wang <redacted>
---
2.11.0

Patch applied to next-virtio/main with conflict resolved, Thanks

This patch triggered a regression reported by Red Hat QE.
https://bugs.dpdk.org/show_bug.cgi?id=703

Reverting the patch is enough to fix the regression.

I'll let you guys decide on the next step for 21.05.


-- 
David Marchand