OpenCloudOS-Kernel/drivers/vfio
Eric Auger 0cfd027be1 vfio_pci: Enable memory accesses before calling pci_map_rom
pci_map_rom/pci_get_rom_size() performs memory access in the ROM.
In case the Memory Space accesses were disabled, readw() is likely
to trigger a synchronous external abort on some platforms.

In case memory accesses were disabled, re-enable them before the
call and disable them back again just after.

Fixes: 89e1f7d4c6 ("vfio: Add PCI device driver")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-02-18 14:57:50 -07:00
..
mdev vfio-mdev: Switch to use new generic UUID API 2019-02-05 11:51:56 -07:00
pci vfio_pci: Enable memory accesses before calling pci_map_rom 2019-02-18 14:57:50 -07:00
platform vfio: platform: reset: fix up include directives to remove ccflags-y 2019-02-05 13:29:30 -07:00
Kconfig drivers/vfio: Allow type-1 IOMMU instantiation with all ARM/ARM64 IOMMUs 2018-09-25 13:01:28 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vfio.c vfio: expand minor range when registering chrdev region 2019-02-12 13:20:56 -07:00
vfio_iommu_spapr_tce.c vfio/spapr_tce: Skip unsetting already unset table 2019-02-13 13:08:12 -07:00
vfio_iommu_type1.c vfio/type1: Fix unmap overflow off-by-one 2019-01-08 09:31:28 -07:00
vfio_spapr_eeh.c drivers/vfio: Support EEH error injection 2015-05-12 20:33:35 +10:00
virqfd.c fs: add new vfs_poll and file_can_poll helpers 2018-05-26 09:16:44 +02:00