Alex Williamson 38565c93c8 vfio/pci: Implement ioeventfd thread handler for contended memory lock ...

The ioeventfd is called under spinlock with interrupts disabled,
therefore if the memory lock is contended defer code that might
sleep to a thread context.

Fixes: bc93b9ae0151 ("vfio-pci: Avoid recursive read-lock usage")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209253#c1
Reported-by: Ian Pilcher <arequipeno@gmail.com>
Tested-by: Ian Pilcher <arequipeno@gmail.com>
Tested-by: Justin Gatzen <justin.gatzen@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

2020-11-03 11:07:40 -07:00

..

fsl-mc

vfio/fsl-mc: Make vfio_fsl_mc_irqs_allocate static

2020-11-03 11:07:40 -07:00

mdev

vfio/mdev: Fix reference count leak in add_mdev_supported_type

2020-05-29 16:07:18 -06:00

pci

vfio/pci: Implement ioeventfd thread handler for contended memory lock

2020-11-03 11:07:40 -07:00

platform

vfio: platform: Switch to platform_get_irq_optional()

2020-03-24 09:26:30 -06:00

Kconfig

vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices

2020-10-07 14:17:33 -06:00

Makefile

vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices

2020-10-07 14:17:33 -06:00

vfio_iommu_spapr_tce.c

vfio/spapr_tce: convert get_user_pages() --> pin_user_pages()

2020-07-27 13:43:38 -06:00

vfio_iommu_type1.c

vfio/type1: Use the new helper to find vfio_group

2020-11-02 14:58:29 -07:00

vfio_spapr_eeh.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

vfio.c

vfio: fix a missed vfio group put in vfio_pin_pages

2020-09-22 10:56:40 -06:00

virqfd.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00