issue: 3604175 Fixing stuck empty rx ring cleanup - Githubissues

Mellanox / libvma

Linux user space library for network socket acceleration based on RDMA compatible network adaptors

https://www.mellanox.com/products/software/accelerator-software/vma?mtag=vma

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issue: 3604175 Fixing stuck empty rx ring cleanup #1044

Closed AlexanderGrissik closed 10 months ago

AlexanderGrissik commented 10 months ago

Description

VMA hangs infinitely in ring destruction

What

If the RQ is empty, ring destruction will loop inifintely. See more details in commit message

Why ?

Fixing infinitely hanging VMA

How ?

Try to fetch last posted wqe only if the RQ is not empty.

Change type

What kind of change does this PR introduce?

[X] Bugfix
[ ] Feature
[ ] Code style update
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Tests
[ ] Other

Check list

[X] Code follows the style de facto guidelines of this project
[ ] Comments have been inserted in hard to understand places
[ ] Documentation has been updated (if necessary)
[ ] Test has been added (if possible)

AlexanderGrissik commented 10 months ago

bot:retest