[PATCH v1 0/1] [SRU][F:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: mlxbf-tmfifo: fix potential race

[Liming Sun]

BugLink: https://bugs.launchpad.net/bugs/2016039

SRU Justification:

[Impact]
This commit is ported from Jammy repo (commit eeeee955aefe).
This change is needed to avoid potential race of accessing the 'vq' pointer

[Fix]
The fix adds memory barrier for the is_ready flag and the 'vq' pointer access in mlxbf_tmfifo_virtio_find_vqs(), so updated in vq will be visible before accessing this pointer.

[Test Case]
Same functionality and testing as on BlueField-1/2/3. No functionality change.

[Regression Potential]
Same behavior from user perspective

Liming Sun (1):
  UBUNTU: SAUCE: mlxbf-tmfifo: fix potential race

 drivers/platform/mellanox/mlxbf-tmfifo.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

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2.30.1