[Bug 923] i40e PMD contains copy-pasted bug from mempool library

Morten Brørup mb at smartsharesystems.com
Thu Jan 20 10:06:20 CET 2022


To: i40e, iavf, ice PMD maintainers
CC: mempool library maintainers

> From: bugzilla at dpdk.org [mailto:bugzilla at dpdk.org]
> Sent: Thursday, 20 January 2022 09.43
> 
> https://bugs.dpdk.org/show_bug.cgi?id=923
> 
>             Bug ID: 923
>            Summary: i40e PMD contains copy-pasted bug from mempool
> library
>            Product: DPDK
>            Version: unspecified
>           Hardware: All
>                 OS: All
>             Status: UNCONFIRMED
>           Severity: normal
>           Priority: Normal
>          Component: ethdev
>           Assignee: dev at dpdk.org
>           Reporter: mb at smartsharesystems.com
>   Target Milestone: ---
> 
> The mempool library does not flush its cache correctly, but leaves it
> full
> after flushing.
> This bug is fixed in [1], but remains in the i40e PMD, which contains
> copy-pasted code [2] from the mempool library.
> 
> Other PMDs with copy-pasted code may have the same bug.

Grep rte_mempool_default_cache could indicate that the AVX512 code in the iavf and ice PMDs also have this bug.

> 
> [1]
> http://inbox.dpdk.org/dev/20220119150301.42583-1-
> mb at smartsharesystems.com/T/#u
> 
> [2]
> http://code.dpdk.org/dpdk/latest/source/drivers/net/i40e/i40e_rxtx_vec_
> avx512.c#L919
> 
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