linux-kernel - [PATCH 0/9] dmaengine: idxd: Memory leak and FLR fixes

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Message-Id: <20250804-idxd-fix-flr-on-kernel-queues-v3-v1-0-4e020fbf52c1@intel.com>
Date: Mon, 04 Aug 2025 18:27:51 -0700
From: Vinicius Costa Gomes <vinicius.gomes@...el.com>
To: Dave Jiang <dave.jiang@...el.com>, Vinod Koul <vkoul@...nel.org>, 
 Fenghua Yu <fenghua.yu@...el.com>, Dan Williams <dan.j.williams@...el.com>
Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Vinicius Costa Gomes <vinicius.gomes@...el.com>
Subject: [PATCH 0/9] dmaengine: idxd: Memory leak and FLR fixes

Hi,

During testing some not so happy code paths in a debugging (lockdep,
kmemleak, etc) kernel, found a few issues.

There's still a crash that happens when doing a PCI unbind, but I
don't have a patch at this time.

Cheers,

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
---
Vinicius Costa Gomes (9):
      dmaengine: idxd: Fix lockdep warnings when calling idxd_device_config()
      dmaengine: idxd: Fix crash when the event log is disabled
      dmaengine: idxd: Fix possible invalid memory access after FLR
      dmaengine: idxd: Flush kernel workqueues on Field Level Reset
      dmaengine: idxd: Allow DMA clients to empty the pending queue
      dmaengine: idxd: Fix not releasing workqueue on .release()
      dmaengine: idxd: Fix memory leak when a wq is reset
      dmaengine: idxd: Fix freeing the allocated ida too late
      dmaengine: idxd: Fix leaking event log memory

 drivers/dma/idxd/cdev.c   |  8 ++++----
 drivers/dma/idxd/device.c | 30 ++++++++++++++++++++++++++----
 drivers/dma/idxd/dma.c    | 10 ++++++++++
 drivers/dma/idxd/idxd.h   |  1 +
 drivers/dma/idxd/init.c   |  6 +++++-
 drivers/dma/idxd/irq.c    |  7 +++++++
 drivers/dma/idxd/sysfs.c  |  1 +
 7 files changed, 54 insertions(+), 9 deletions(-)
---
base-commit: e3a9ccd21897a59d02cf2b7a95297086249306d6
change-id: 20250804-idxd-fix-flr-on-kernel-queues-v3-13f37abd7178

Best regards,
-- 
Vinicius