71a5a54fbc
[ Upstream commit 0cfd027be1d6def4a462cdc180c055143af24069 ]
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: 89e1f7d4c66d ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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| .. | ||
| Kconfig | ||
| Makefile | ||
| vfio_pci_config.c | ||
| vfio_pci_intrs.c | ||
| vfio_pci_private.h | ||
| vfio_pci_rdwr.c | ||
| vfio_pci.c | ||