vfio: selftests: Retry on EAGAIN during device reset

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Add retry logic to vfio_pci_device_reset() to handle the case where PCI
resets fail due to lock contention, in which case
pci_try_reset_function() returns -EAGAIN.

Suggested-by: David Matlack <dmatlack@google.com>
Signed-off-by: Josh Hilke <jrhilke@google.com>
Acked-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20260805-igb_v3_b4-v10-3-9c86dc849c0d@google.com
Signed-off-by: Alex Williamson <alex@shazbot.org>

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Josh Hilke 2026-08-05 00:21:00 +00:00 • committed by Alex Williamson

parent 1583ef1175

commit 28ca5f67e1

2 changed files with 20 additions and 1 deletions

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1

tools/testing/selftests/vfio/lib/include/libvfio/vfio_pci_device.h

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20

tools/testing/selftests/vfio/lib/vfio_pci_device.c

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