[PATCH 5.15.y v3 0/1] Manual Backport of 099606a7b2d5 to 5.15

[Harshvardhan Jha <harshvardhan.j.jha@xxxxxxxxxx>]

The patch 099606a7b2d5 didn't cleanly apply to 5.15 due to the
significant difference in codebases.

I've tried to manually bring it back to 5.15 via some minor conflict
resolution but also invoking the newly introduced API using inverted
logic as the conditional statements present in 5.15 are the opposite of
those in 6.1 xen/swiotlib.

v2 of this patch was added and dropped due to some issues in testing.
However, after further verification this version seems to be right as
is.

I kindly request Juergen's ack specifically before this is added to
stable queue as this patch differs quite significantly compared to the
original.

Changes in v2:
Include correct upstream SHA in the commit message

Changes in v3:
Patch remains the same, however further verification and testing was
done.

Harshvardhan Jha (1):
  xen/swiotlb: relax alignment requirements

 drivers/xen/swiotlb-xen.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

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2.47.1