vfio/pds: Only use a single SGL for both seq and ack

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Since the seq/ack operations never happen in parallel there
is no need for multiple scatter gather lists per region.
The current implementation is wasting memory. Fix this by
only using a single scatter-gather list for both the seq
and ack operations.

Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20231117001207.2793-3-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

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Brett Creeley 2023-11-16 16:12:03 -08:00 • committed by Alex Williamson

parent 4004497cec

commit 3b8f7a24d1

2 changed files with 28 additions and 46 deletions

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68

drivers/vfio/pci/pds/dirty.c

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6

drivers/vfio/pci/pds/dirty.h

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