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/linux/tools/testing/selftests/verification/test.d/
H A Drv_monitor_enable_disable.tc24 local nested
31 nested=$(basename "$nested_dir")
32 grep -q "^$monitor:$nested$" enabled_monitors
34 test -n "$nested"
41 nested=$(basename "$nested_dir")
42 ! grep -q "^$monitor:$nested$" enabled_monitors
50 nested=$(basename "$nested_dir")
51 grep -q "^$monitor:$nested$" enabled_monitors
59 nested=$(basename "$nested_dir")
60 test_simple_monitor "$nested" "$monitor/"
H A Drv_monitor_reactor.tc23 local nested
33 nested=$(basename "$nested_dir")
34 grep -q "\\[$reactor\\]" "monitors/$monitor/$nested/reactors"
37 test -n "$nested"
44 nested=$(basename "$nested_dir")
45 grep -q "\\[nop\\]" "monitors/$monitor/$nested/reactors"
50 nested=$(basename "$nested_dir")
51 test_monitor_reactor "$nested" "$monitor/"
H A Drv_monitors_available.tc13 nested=$(basename "$nested_dir")
15 grep -q "^$monitor:$nested$" available_monitors
/linux/Documentation/virt/kvm/x86/
H A Drunning-nested-guests.rst4 Running nested guests with KVM
7 A nested guest is the ability to run a guest inside another guest (it
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
76 Enabling "nested" (x86)
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H A Dindex.rst17 nested-vmx
18 running-nested-guests
H A Dnested-vmx.rst16 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,
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
65 As a VMX implementation, nested VMX presents a VMCS structure to L1.
/linux/arch/x86/kvm/vmx/
H A Dnested.h63 return to_vmx(vcpu)->nested.cached_vmcs12; in get_vmcs12()
71 return to_vmx(vcpu)->nested.cached_shadow_vmcs12; in get_shadow_vmcs12()
84 return vmx->nested.current_vmptr != -1ull || in vmx_has_valid_vmcs12()
92 return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid; in nested_get_vpid02()
125 return vmx_misc_cr3_count(to_vmx(vcpu)->nested.msrs.misc_low); in nested_cpu_vmx_misc_cr3_count()
135 return to_vmx(vcpu)->nested.msrs.misc_low & in nested_cpu_has_vmwrite_any_field()
141 return to_vmx(vcpu)->nested.msrs.misc_low & VMX_MISC_ZERO_LEN_INS; in nested_cpu_has_zero_length_injection()
146 return to_vmx(vcpu)->nested.msrs.procbased_ctls_high & in nested_cpu_supports_monitor_trap_flag()
152 return to_vmx(vcpu)->nested.msrs.secondary_ctls_high & in nested_cpu_has_vmx_shadow_vmcs()
283 u64 fixed0 = to_vmx(vcpu)->nested.msrs.cr0_fixed0; in nested_guest_cr0_valid()
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/linux/rust/macros/
H A Dzeroable.rs
/linux/rust/pin-init/internal/src/
H A Dzeroable.rs34 let mut nested = 0; in parse_zeroable_derive_input() localVariable
38 TokenTree::Punct(p) if nested == 0 && p.as_char() == ',' => { in parse_zeroable_derive_input()
47 TokenTree::Punct(p) if nested == 0 && p.as_char() == '\'' => { in parse_zeroable_derive_input()
51 TokenTree::Punct(p) if nested == 0 && p.as_char() == ':' => { in parse_zeroable_derive_input()
59 nested += 1; in parse_zeroable_derive_input()
63 assert!(nested > 0); in parse_zeroable_derive_input()
64 nested -= 1; in parse_zeroable_derive_input()
70 assert_eq!(nested, 0); in parse_zeroable_derive_input()
/linux/arch/x86/kvm/svm/
H A Dhyperv.h18 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_hv_update_vm_vp_ids()
24 hv_vcpu->nested.pa_page_gpa = hve->partition_assist_page; in nested_svm_hv_update_vm_vp_ids()
25 hv_vcpu->nested.vm_id = hve->hv_vm_id; in nested_svm_hv_update_vm_vp_ids()
26 hv_vcpu->nested.vp_id = hve->hv_vp_id; in nested_svm_hv_update_vm_vp_ids()
32 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_l2_tlb_flush_enabled()
/linux/tools/perf/bench/
H A Depoll-ctl.c57 static unsigned int nested = 0; variable
79 …OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)…
105 if (nested > EPOLL_MAXNESTS) in nest_epollfd()
106 nested = EPOLL_MAXNESTS; in nest_epollfd()
107 printinfo("Nesting level(s): %d\n", nested); in nest_epollfd()
109 epollfdp = calloc(nested, sizeof(int)); in nest_epollfd()
113 for (i = 0; i < nested; i++) { in nest_epollfd()
122 for (i = nested - 1; i; i--) { in nest_epollfd()
345 if (nested) in bench_epoll_ctl()
/linux/net/netfilter/ipset/
H A Dip_set_bitmap_gen.h95 struct nlattr *nested; in mtype_head() local
98 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in mtype_head()
99 if (!nested) in mtype_head()
108 nla_nest_end(skb, nested); in mtype_head()
207 struct nlattr *adt, *nested; in mtype_list() local
229 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in mtype_list()
230 if (!nested) { in mtype_list()
243 nla_nest_end(skb, nested); in mtype_list()
253 nla_nest_cancel(skb, nested); in mtype_list()
H A Dip_set_list_set.c457 struct nlattr *nested; in list_set_head() local
460 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_head()
461 if (!nested) in list_set_head()
470 nla_nest_end(skb, nested); in list_set_head()
482 struct nlattr *atd, *nested; in list_set_list() local
500 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_list()
501 if (!nested) in list_set_list()
508 nla_nest_end(skb, nested); in list_set_list()
518 nla_nest_cancel(skb, nested); in list_set_list()
/linux/arch/riscv/kernel/
H A Dkernel_mode_vector.c190 #define riscv_v_start_kernel_context(nested) (-ENOENT) argument
209 bool nested = false; in kernel_vector_begin() local
216 if (riscv_v_start_kernel_context(&nested)) { in kernel_vector_begin()
221 if (!nested) in kernel_vector_begin()
/linux/arch/arm64/kvm/
H A Dmmu.c1545 static void adjust_nested_fault_perms(struct kvm_s2_trans *nested, in adjust_nested_fault_perms() argument
1549 *writable &= kvm_s2_trans_writable(nested); in adjust_nested_fault_perms()
1550 if (!kvm_s2_trans_readable(nested)) in adjust_nested_fault_perms()
1553 *prot |= kvm_encode_nested_level(nested); in adjust_nested_fault_perms()
1557 struct kvm_s2_trans *nested, in adjust_nested_exec_perms() argument
1560 if (!kvm_s2_trans_exec_el0(kvm, nested)) in adjust_nested_exec_perms()
1562 if (!kvm_s2_trans_exec_el1(kvm, nested)) in adjust_nested_exec_perms()
1569 struct kvm_s2_trans *nested, in gmem_abort() argument
1588 if (nested) in gmem_abort()
1589 gfn = kvm_s2_trans_output(nested) >> PAGE_SHIFT; in gmem_abort()
[all …]
H A DMakefile20 arch_timer.o trng.o vmid.o emulate-nested.o nested.o at.o \
26 vgic/vgic-its.o vgic/vgic-debug.o vgic/vgic-v3-nested.o \
/linux/scripts/coccinelle/locks/
H A Dflags.cocci2 /// Find nested lock+irqsave functions that use the same flags variables
73 cocci.print_secs("nested lock+irqsave that reuses flags",p2)
80 msg="ERROR: nested lock+irqsave that reuses flags from line %s." % (p1[0].line)
/linux/Documentation/tools/rv/
H A Drv-mon-sched.rst28 As a monitor container, it will enable all nested monitors and set them
30 Nevertheless nested monitors can also be activated independently both by name
48 The available nested monitors are:
/linux/arch/powerpc/kvm/
H A Dbook3s_hv_p9_entry.c137 if (!vcpu->arch.nested) { in store_vcpu_state()
201 if (!vcpu->arch.nested) { in restore_p9_host_os_sprs()
303 struct kvm_nested_guest *nested = vcpu->arch.nested; in switch_mmu_to_guest_radix() local
307 lpid = nested ? nested->shadow_lpid : kvm->arch.lpid; in switch_mmu_to_guest_radix()
454 struct kvm_nested_guest *nested) in check_need_tlb_flush() argument
460 if (nested) in check_need_tlb_flush()
461 need_tlb_flush = &nested->need_tlb_flush; in check_need_tlb_flush()
536 struct kvm_nested_guest *nested = vcpu->arch.nested; in kvmhv_vcpu_entry_p9() local
703 check_need_tlb_flush(kvm, vc->pcpu, nested); in kvmhv_vcpu_entry_p9()
/linux/Documentation/arch/x86/
H A 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
/linux/tools/net/ynl/pyynl/
H A Dynl_gen_c.py65 nested = attr['nested-attributes']
67 nested = attr['sub-message']
69 nested = None
71 if nested:
72 self.nested_attrs = nested
973 self.nested = type_list is None
979 if self.nested and space_name in family.consts:
1346 nested = spec['nested-attributes']
1348 nested = spec.sub_message
1353 if self.pure_nested_structs[nested].recursive:
[all …]
/linux/rust/syn/
H A Ddiscouraged.rs218 let nested = crate::parse::advance_step_cursor(cursor, content); in parse_any_delimiter() localVariable
220 let content = crate::parse::new_parse_buffer(scope, nested, unexpected); in parse_any_delimiter()
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dtask_local_storage.c282 value.nested.udata = &udata; in test_uptr_basic()
327 value.nested.udata = &udata2; in test_uptr_basic()
342 value.nested.udata = &udata2; in test_uptr_basic()
356 ASSERT_EQ(value.nested.udata, NULL, "value.nested.udata"); in test_uptr_basic()
365 value.nested.udata = &udata2; in test_uptr_basic()
/linux/arch/x86/kvm/
H A DMakefile18 vmx/nested.o vmx/posted_intr.o vmx/main.o
24 kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o
/linux/scripts/coccinelle/misc/
H A Dirqf_oneshot.cocci106 …ING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"
112 …ING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"

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