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/Documentation/virt/kvm/x86/
Drunning-nested-guests.rst4 Running nested guests with KVM
7 A nested guest is the ability to run a guest inside another guest (it
15 | (Nested Guest) | | (Nested Guest) |
36 - L2 – level-2 guest; a VM running on L1, this is the "nested guest"
44 resulting in at least four levels in a nested setup — L0 (bare
46 (guest hypervisor), L3 (nested guest).
56 There are several scenarios where nested KVM can be useful, to name a
61 Provider, using nested KVM lets you rent a large enough "guest
63 multiple nested guests (level-2 guests), running different OSes, on
66 - Live migration of "guest hypervisors" and their nested guests, for
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Dnested-vmx.rst4 Nested VMX
15 The "Nested VMX" feature adds this missing capability - of running guest
16 hypervisors (which use VMX) with their own nested guests. It does so by
20 We describe in much greater detail the theory behind the nested VMX feature,
22 "The Turtles Project: Design and Implementation of Nested Virtualization",
32 In nested virtualization, we have three levels: The host (KVM), which we call
33 L0, the guest hypervisor, which we call L1, and its nested guest, which we
37 Running nested VMX
40 The nested VMX feature is enabled by default since Linux kernel v4.20. For
41 older Linux kernel, it can be enabled by giving the "nested=1" option to the
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Dindex.rst16 nested-vmx
17 running-nested-guests
/Documentation/netlink/specs/
Dethtool.yaml85 nested-attributes: bitset-bit
98 nested-attributes: bitset-bits
121 nested-attributes: string
135 nested-attributes: strings
143 nested-attributes: stringset
150 nested-attributes: header
154 nested-attributes: stringsets
165 nested-attributes: header
169 nested-attributes: bitset
177 nested-attributes: header
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Dovs_flow.yaml383 nested-attributes: key-attrs
385 Nested attributes specifying the flow key. Always present in
390 nested-attributes: action-attrs
392 Nested attributes specifying the actions to take for packets that
397 nested attributes must be given.
430 nested-attributes: key-attrs
432 Nested attributes specifying the mask bits for wildcarded flow
472 nested-attributes: key-attrs
533 nested-attributes: tunnel-key-attrs
582 nested-attributes: ovs-nsh-key-attrs
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Dnlctrl.yaml40 - nested
41 - nested-array
70 nested-attributes: op-attrs
75 nested-attributes: mcast-group-attrs
80 nested-attributes: policy-attrs
85 nested-attributes: op-policy-attrs
Dnftables.yaml290 nested-attributes: nft-hook-attrs
309 nested-attributes: nft-counter-attrs
359 nested-attributes: hook-dev-attrs
396 nested-attributes: expr-list-attrs
401 nested-attributes: rule-compat-attrs
430 nested-attributes: expr-attrs
501 nested-attributes: set-desc-attrs
535 nested-attributes: expr-attrs
541 nested-attributes: set-list-attrs
554 nested-attributes: set-desc-concat-attrs
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Dteam.yaml29 The team nested layout of get/set msg looks like
54 nested-attributes: item-option
58 nested-attributes: item-port
72 nested-attributes: attr-option
120 nested-attributes: attr-port
Ddevlink.yaml298 nested-attributes: dl-dpipe-tables
303 nested-attributes: dl-dpipe-table
313 nested-attributes: dl-dpipe-table-matches
317 nested-attributes: dl-dpipe-table-actions
324 nested-attributes: dl-dpipe-entries
329 nested-attributes: dl-dpipe-entry
336 nested-attributes: dl-dpipe-entry-match-values
340 nested-attributes: dl-dpipe-entry-action-values
348 nested-attributes: dl-dpipe-match
353 nested-attributes: dl-dpipe-match-value
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Dtc.yaml1409 nested-attributes: tca-stats-attrs
1413 nested-attributes: tca-stab-attrs
1455 nested-attributes: tc-act-stats-attrs
1998 nested-attributes: tc-ematch-attrs
2003 nested-attributes: tc-act-attrs
2007 nested-attributes: tc-police-attrs
2022 nested-attributes: tc-act-attrs
2026 nested-attributes: tc-police-attrs
2145 nested-attributes: tc-cake-tin-stats-attrs
2256 nested-attributes: tc-act-attrs
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Drt_link.yaml986 nested-attributes: linkinfo-attrs
999 nested-attributes: vfinfo-list-attrs
1007 nested-attributes: vf-ports-attrs
1011 nested-attributes: port-self-attrs
1015 nested-attributes: af-spec-attrs
1069 nested-attributes: xdp-attrs
1097 nested-attributes: prop-list-link-attrs
1138 nested-attributes: link-dpll-pin-attrs
1153 nested-attributes: ifla-attrs
1158 nested-attributes: ifla6-attrs
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Dovs_vport.yaml101 nested-attributes: vport-options
122 nested-attributes: upcall-stats
Dnfsd.yaml99 nested-attributes: version
116 nested-attributes: sock
/Documentation/networking/devlink/
Dindex.rst25 Nested instances
33 lock of both nested and parent instances at the same time, devlink
35 instance lock of the nested instance could be taken.
37 nested relationship:
39 - ``devl_nested_devlink_set()`` - called to setup devlink -> nested
40 devlink relationship (could be user for multiple nested instances.
42 nested devlink relationship.
44 nested devlink relationship.
46 The nested devlink info is exposed to the userspace over object-specific
/Documentation/arch/x86/
Dkernel-stacks.rst28 hardware interrupt (i.e. not a nested hardware interrupt) then the
54 nested IST interrupts then the handler must adjust the IST values on
59 nested. For example, a debug interrupt can safely be interrupted by an
62 IST events with the same code to be nested. However in most cases, the
95 To handle nested #DB correctly there exist two instances of DB stacks. On
97 so a nested #DB starts from a clean stack. The nested #DB switches
/Documentation/dev-tools/
Dktap.rst16 KTAP test results describe a series of tests (which may be nested: i.e., test
29 information, in particular nested test results, may be lost. Also note that
46 start of the nested test results. This differs from TAP14, which uses a
59 Plan lines follow version lines to indicate the number of nested tests.
182 Nested tests
185 In KTAP, tests can be nested. This is done by having a test include within its
201 An example of a test with two nested subtests:
214 An example format with multiple levels of nested testing:
240 allows an arbitrary number of tests to be nested no yes
245 The TAP14 specification does permit nested tests, but instead of using another
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/Documentation/networking/
Dethtool-netlink.rst53 Each request or reply message contains a nested attribute with common header.
96 type is used. For arbitrary length bitmaps, ethtool netlink uses a nested
116 Compact form: nested (bitset) attribute contents:
141 Bit-by-bit form: nested (bitset) attribute contents:
148 | ``ETHTOOL_A_BITSET_BITS`` | nested | array of bits |
150 | | ``ETHTOOL_A_BITSET_BITS_BIT+`` | nested | one bit |
332 | ``ETHTOOL_A_STRSET_HEADER`` | nested | request header |
334 | ``ETHTOOL_A_STRSET_STRINGSETS`` | nested | string set to request |
336 | | ``ETHTOOL_A_STRINGSETS_STRINGSET+`` | nested | one string set |
344 | ``ETHTOOL_A_STRSET_HEADER`` | nested | reply header |
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/Documentation/driver-api/
Ddpll.rst116 Pins registered with a MUX-type pin provide user with additional nested
121 ``DPLL_CMD_PIN_GET`` would contain multiple pin-parent nested
138 on desired parent, with the use of ``DPLL_A_PIN_PARENT`` nested
143 ``DPLL_A_PIN_PARENT_PIN`` nested attribute for requesting configuration
165 ``DPLL_A_PIN_PARENT_DEVICE`` nested attribute for requesting configuration
198 ``DPLL_A_PIN_PARENT_DEVICE`` nested attribute for requesting
324 ``DPLL_A_PIN_FREQUENCY_SUPPORTED`` nested attr provides supported
334 ``DPLL_A_PIN_PARENT_DEVICE`` nested attr for each parent device
345 ``DPLL_A_PIN_PARENT_PIN`` nested attr for each parent pin
359 ``DPLL_A_PIN_PARENT_DEVICE`` nested attr for each parent dpll
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/Documentation/admin-guide/hw-vuln/
Dl1tf.rst553 3.4. Nested virtual machines
556 When nested virtualization is in use, three operating systems are involved:
557 the bare metal hypervisor, the nested hypervisor and the nested virtual
558 machine. VMENTER operations from the nested hypervisor into the nested
562 - Flush the L1D cache on every switch from the nested hypervisor to the
563 nested virtual machine, so that the nested hypervisor's secrets are not
564 exposed to the nested virtual machine;
566 - Flush the L1D cache on every switch from the nested virtual machine to
567 the nested hypervisor; this is a complex operation, and flushing the L1D
569 nested virtual machine;
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Dvmscape.rst49 because nested hypervisors should already be deploying IBPB to isolate
50 themselves from nested guests.
/Documentation/filesystems/
Dceph.rst23 * Recursive accounting (nested files, directories, bytes)
56 a snapshot on any subdirectory (and its nested contents) in the
70 Ceph also provides some recursive accounting on directories for nested files
76 to get the total number of nested files and their combined size, respectively.
161 the summation of file sizes over all files nested beneath that
/Documentation/userspace-api/netlink/
Dspecs.rst154 referred to with a ``nested-attributes`` property of the container.
165 Uniquely identifies the attribute set, operations and nested attributes
229 nested-attributes
232 Identifies the attribute space for attributes nested within given attribute.
256 definition (``type`` and ``nested-attributes``) and the ``checks``.
466 Attribute containing other (nested) attributes.
467 ``nested-attributes`` specifies which attribute set is used inside.
Dnetlink-raw.rst156 For example, if the same attribute name is defined in a nested ``attribute-set``
162 Nested struct definitions
166 make use of nested struct definitions. The ``netlink-raw`` schema makes it
/Documentation/arch/powerpc/
Dindex.rst29 kvm-nested
/Documentation/devicetree/bindings/interrupt-controller/
Darm,nvic.txt1 * ARM Nested Vector Interrupt Controller (NVIC)

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