AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/vfio/pci
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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
..
Kconfig vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver 2018-12-21 16:20:47 +11:00
Makefile vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver 2018-12-21 16:20:47 +11:00
trace.h vfio/pci: Cleanup license mess 2019-01-22 11:06:05 -07:00
vfio_pci_config.c vfio/pci: Restore device state on PM transition 2019-02-18 14:55:53 -07:00
vfio_pci_igd.c
vfio_pci_intrs.c vfio/pci: Fix integer overflows, bitmask check 2016-10-26 13:49:29 -06:00
vfio_pci_nvlink2.c vfio-pci/nvlink2: Fix ancient gcc warnings 2019-01-23 08:20:43 -07:00
vfio_pci_private.h vfio/pci: Restore device state on PM transition 2019-02-18 14:55:53 -07:00
vfio_pci_rdwr.c vfio/pci: Add ioeventfd support 2018-03-26 13:22:58 -06:00
vfio_pci.c vfio_pci: Enable memory accesses before calling pci_map_rom 2019-02-18 14:57:50 -07:00