ACK/Cmnt: [SRU][J:linux-bluefield][PATCH v3 0/1] UBUNTU: SAUCE: mlxbf-tmfifo.c: amend previous patch

Tim Gardner tim.gardner at canonical.com
Fri Jul 21 15:28:38 UTC 2023


On 7/20/23 2:39 PM, shihyic wrote:
> From: Shih-Yi Chen <shihyic at nvidia.com>
> 
> BugLink: https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2028197
> 
> SRU Justification:
> 
> [Impact]
> 
> mlxbf_tmfifo driver does not always schedule work for VIRTIO CONSOLE nottification. The result is with rshim console, the dmesg output would be cut off or simply cat a big text file to stdout.
> 
> [Fix]
> 
> * Make sure TM_TX_LWM_IRQ bit is set when there is a notification of virtio console event.
> 
> [Test Case]
> 
> * Compare the output of dmesg from rshim console and ssh session. Make sure both are the same.
> * Issue is reproduced w/o fix and compare the same dmesg output from the same as above.
> 
> [Regression Potential]
> 
> The changes affect only virtio console event handling only and been tested fully.
> 
> [Others]
> This issue is the same on focal and Jammy.
> 
> 
> Shih-Yi Chen (1):
>    UBUNTU: SAUCE: mlxbf-tmfifo.c: Fix rhsim console w/ truncated dmesg
>      output
> 
>   drivers/platform/mellanox/mlxbf-tmfifo.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>

Use the short form for BugLink.
-- 
-----------
Tim Gardner
Canonical, Inc




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