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Pierre Morel 4ce1cf7b02 s390: virtio: PV needs VIRTIO I/O device protection 
If protected virtualization is active on s390, VIRTIO has only retricted
access to the guest memory.
Define CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS and export
arch_has_restricted_virtio_memory_access to advertize VIRTIO if that's
the case.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Link: https://lore.kernel.org/r/1599728030-17085-3-git-send-email-pmorel@linux.ibm.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2020-10-21 10:34:13 -04:00
..
appldata
s390/appldata: use struct_size() helper
2020-06-29 16:32:34 +02:00
boot
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
configs
s390: update defconfigs
2020-09-02 13:17:05 +02:00
crypto
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
hypfs
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
include
mm/gup: fix gup_fast with dynamic page table folding
2020-09-26 10:33:57 -07:00
kernel
s390: add 3f program exception handler
2020-09-14 10:08:07 +02:00
kvm
mm/gup: remove task_struct pointer for all gup code
2020-08-12 10:58:04 -07:00
lib
s390/test_unwind: fix possible memleak in test_unwind()
2020-08-11 18:16:16 +02:00
mm
s390: virtio: PV needs VIRTIO I/O device protection
2020-10-21 10:34:13 -04:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-08-05 20:13:21 -07:00
oprofile
s390/unwind: introduce stack unwind API
2019-05-02 13:54:11 +02:00
pci
s390/pci: fix leak of DMA tables on hard unplug
2020-09-14 10:08:07 +02:00
purgatory
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
scripts
s390/build: use size command to perform empty .bss check
2019-08-08 14:36:53 +02:00
tools
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
Kbuild
s390/numa: move code to arch/s390/kernel
2020-08-11 18:16:55 +02:00
Kconfig
s390: virtio: PV needs VIRTIO I/O device protection
2020-10-21 10:34:13 -04:00
Kconfig.debug
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Makefile
kbuild: remove cc-option test of -ffreestanding
2020-07-07 11:13:10 +09:00