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* [PATCH v3 0/3] Cleanup OA stream on PCI unbind/remove
@ 2026-10-30 23:38 Umesh Nerlige Ramappa
  2026-10-30 23:38 ` [PATCH v3 1/3] drm/xe/oa: Use the drm device address_space for the OA stream fd Umesh Nerlige Ramappa
                   ` (4 more replies)
  0 siblings, 5 replies; 8+ messages in thread
From: Umesh Nerlige Ramappa @ 2026-10-30 23:38 UTC (permalink / raw)
  To: intel-xe, shekhar.chauhan, Matthew Brost; +Cc: riana.tauro, harish.chegondi

When an OA stream FD is open, removing the PCI device due to PCIe errors
or doing an unbind causes a NPD and system reboots. While OA registers a
fini handler with devm, the handler does not take into account active OA
connections.

Add code to quiesce OA connection on PCI remove/unbind.

v2: Sashiko Comments
v3: Circular lockdep fix

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>

Umesh Nerlige Ramappa (3):
  drm/xe/oa: Use the drm device address_space for the OA stream fd
  drm/xe/oa: Gate OA buffer mmap faults
  drm/xe/oa: Quiesce OA streams on driver unbind and PCI reset

 drivers/gpu/drm/xe/xe_bo.c       |  30 +++-
 drivers/gpu/drm/xe/xe_bo.h       |   4 +
 drivers/gpu/drm/xe/xe_oa.c       | 293 ++++++++++++++++++++++++++++---
 drivers/gpu/drm/xe/xe_oa_types.h |  12 ++
 4 files changed, 308 insertions(+), 31 deletions(-)

-- 
2.55.0


^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2026-10-31  0:33 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-10-30 23:38 [PATCH v3 0/3] Cleanup OA stream on PCI unbind/remove Umesh Nerlige Ramappa
2026-10-30 23:38 ` [PATCH v3 1/3] drm/xe/oa: Use the drm device address_space for the OA stream fd Umesh Nerlige Ramappa
2026-10-30 23:38 ` [PATCH v3 2/3] drm/xe/oa: Gate OA buffer mmap faults Umesh Nerlige Ramappa
2026-10-30 23:58   ` sashiko-bot
2026-10-30 23:38 ` [PATCH v3 3/3] drm/xe/oa: Quiesce OA streams on driver unbind and PCI reset Umesh Nerlige Ramappa
2026-10-31  0:04   ` sashiko-bot
2026-10-30 23:55 ` ✓ CI.KUnit: success for Cleanup OA stream on PCI unbind/remove (rev2) Patchwork
2026-10-31  0:33 ` ✓ Xe.CI.BAT: " Patchwork

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