APPLIED: [SRU][N/J:linux-azure][PATCH 0/1] Request to allow variable-sized MANA indirection table

John Cabaj john.cabaj at canonical.com
Fri Jun 27 22:44:56 UTC 2025


On 6/24/25 2:42 PM, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2100902
> 
> SRU Justification
> 
> [Impact]
> 
> * Microsoft requested patches to implement variable-sized MANA indirection tables on Noble and Jammy releases
> 
> [Fix]
> 
> * 1 backport from upstream, 7fc45cb68696: "net: mana: Allow variable size indirection table"
> 
> [Test Plan]
> 
> * Compile tested
> * Will be further tested by Microsoft
> 
> [Regression potential]
> 
> * Changes are largely localized to MANA.
> * If indirection table is not properly managed, it could lead to memory management issues (null pointer, double free, etc...)
> 
> [Other info]
> 
> * SF#00407396
> 
> Shradha Gupta (1):
>    net: mana: Allow variable size indirection table
> 
>   drivers/infiniband/hw/mana/qp.c               | 10 +--
>   drivers/net/ethernet/microsoft/mana/mana_en.c | 85 ++++++++++++++++---
>   .../ethernet/microsoft/mana/mana_ethtool.c    | 27 ++++--
>   include/net/mana/gdma.h                       |  4 +-
>   include/net/mana/mana.h                       |  9 +-
>   5 files changed, 104 insertions(+), 31 deletions(-)
> 

Applied to Noble and Jammy linux-azure master-next branches.


Thanks,
John



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