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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
..
alpha treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
arc ARC fixes for 5.9-rc4 2020-09-05 13:46:14 -07:00
arm xen: branch for v5.9-rc9 2020-10-08 11:01:53 -07:00
arm64 Fix a kernel panic in the AES crypto code caused by a BR tail call not 2020-10-06 12:09:29 -07:00
c6x treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
csky treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
h8300 treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hexagon treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ia64 mm: replace memmap_context by meminit_context 2020-09-26 10:33:57 -07:00
m68k treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
microblaze microblaze: fix min_low_pfn/max_low_pfn build errors 2020-08-31 19:52:50 +03:00
mips - fixed FP register access on Loongsoon-3 2020-09-25 15:24:04 -07:00
nds32 A set of fixes for lockdep, tracing and RCU: 2020-08-30 11:43:50 -07:00
nios2 mm/nios2: use general page fault accounting 2020-08-12 10:58:03 -07:00
openrisc OpenRISC fixes for 5.9-rc4 2020-09-12 13:03:49 -07:00
parisc treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
powerpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2020-09-30 01:49:20 -07:00
riscv riscv: Fixup bootup failure with HARDENED_USERCOPY 2020-10-06 18:34:00 -07:00
s390 s390: virtio: PV needs VIRTIO I/O device protection 2020-10-21 10:34:13 -04:00
sh sh: fix syscall tracing 2020-09-13 21:22:55 -04:00
sparc treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
um treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
x86 Two fixes: 2020-10-11 10:53:37 -07:00
xtensa treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
.gitignore
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Kconfig A set oftimekeeping/VDSO updates: 2020-08-14 14:26:08 -07:00