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OpenCloudOS-Kernel/drivers/xen
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Juergen Gross fa1f57421e xen/virtio: Enable restricted memory access using Xen grant mappings 
In order to support virtio in Xen guests add a config option XEN_VIRTIO
enabling the user to specify whether in all Xen guests virtio should
be able to access memory via Xen grant mappings only on the host side.

Also set PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS feature from the guest
initialization code on Arm and x86 if CONFIG_XEN_VIRTIO is enabled.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/1654197833-25362-5-git-send-email-olekstysh@gmail.com
Signed-off-by: Juergen Gross <jgross@suse.com>
 		2022-06-06 16:07:30 +02:00
..
events xen/console: harden hvc_xen against event channel storms 2021-12-16 08:24:08 +01:00
xen-pciback xen-pciback: allow compiling on other archs than x86 2021-11-02 08:03:43 -05:00
xenbus xen: replace xen_remap() with memremap() 2022-06-01 07:24:17 +02:00
xenfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
Kconfig xen/virtio: Enable restricted memory access using Xen grant mappings 2022-06-06 16:07:30 +02:00
Makefile xen/grant-dma-ops: Add option to restrict memory access under Xen 2022-06-06 08:54:52 +02:00
acpi.c
…
arm-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
balloon.c xen/balloon: don't use PV mode extra memory for zone device allocations 2022-04-07 15:08:37 -05:00
biomerge.c block: pass page to xen_biovec_phys_mergeable 2019-04-01 12:11:13 -06:00
cpu_hotplug.c xen/cpuhotplug: Fix initial CPU offlining for PV(H) guests 2020-05-21 13:01:45 -05:00
dbgp.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
efi.c xen/efi: have a common runtime setup function 2019-10-02 10:31:07 -04:00
evtchn.c xen/evtchn: use READ/WRITE_ONCE() for accessing ring indices 2021-02-23 10:07:52 -06:00
features.c xen: check required Xen features 2021-08-30 11:57:45 +02:00
gntalloc.c xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
gntdev-common.h xen: Use evtchn_type_t as a type for event channels 2020-04-07 12:12:54 +02:00
gntdev-dmabuf.c xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
gntdev-dmabuf.h xen/gntdev: Do not destroy context while dma-bufs are in use 2019-02-18 06:50:03 +01:00
gntdev.c xen/gntdev: fix unmap notification order 2022-01-06 08:52:22 +01:00
grant-dma-ops.c xen/grant-dma-ops: Add option to restrict memory access under Xen 2022-06-06 08:54:52 +02:00
grant-table.c xen/grants: support allocating consecutive grants 2022-06-06 08:54:35 +02:00
manage.c xen: don't hang when resuming PCI device 2022-03-25 14:22:15 -05:00
mcelog.c xen/mcelog: add PPIN to record when available 2019-11-14 10:01:57 +01:00
mem-reservation.c x86/xen: remove 32-bit pv leftovers 2021-11-02 08:03:43 -05:00
pci.c xen/pci: Make use of the helper macro LIST_HEAD() 2022-02-10 11:10:23 +01:00
pcpu.c xen: Use DEVICE_ATTR_*() macro 2021-07-05 09:23:31 +02:00
platform-pci.c xen: Set platform PCI device INTX affinity to CPU0 2021-01-13 16:12:03 +01:00
privcmd-buf.c xen/privcmd-buf.c: convert to use vm_map_pages_zero() 2019-05-14 09:47:50 -07:00
privcmd.c xen/privcmd: drop "pages" parameter from xen_remap_pfn() 2021-10-05 08:20:27 +02:00
privcmd.h
…
pvcalls-back.c xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls 2021-11-02 07:45:44 -05:00
pvcalls-front.c xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
pvcalls-front.h
…
swiotlb-xen.c swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm 2022-05-11 19:48:32 +02:00
sys-hypervisor.c drivers/xen: use helper macro __ATTR_RW 2022-03-10 09:27:55 -06:00
time.c x86/paravirt: Switch time pvops functions to use static_call() 2021-03-11 16:17:52 +01:00
unpopulated-alloc.c xen/balloon: don't use PV mode extra memory for zone device allocations 2022-04-07 15:08:37 -05:00
xen-acpi-pad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
xen-acpi-processor.c xen: Fix implicit type conversion 2021-11-02 07:45:44 -05:00
xen-balloon.c xen: Use DEVICE_ATTR_*() macro 2021-07-05 09:23:31 +02:00
xen-front-pgdir-shbuf.c xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
xen-scsiback.c xen/scsiback: use new command result macros 2022-05-19 14:02:43 +02:00
xlate_mmu.c xen: add helpers to allocate unpopulated memory 2020-09-04 10:00:01 +02:00