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/linux-6.3-rc2/arch/x86/kvm/svm/
A Dnested.c95 svm->nested.ctl.nested_cr3); in nested_svm_init_mmu_context()
135 g = &svm->nested.ctl; in recalc_intercepts()
531 if (!svm->nested.vmcb02.ptr) in nested_vmcb02_compute_g_pat()
547 if (svm->nested.vmcb12_gpa != svm->nested.last_vmcb12_gpa) { in nested_vmcb02_prepare_save()
549 svm->nested.last_vmcb12_gpa = svm->nested.vmcb12_gpa; in nested_vmcb02_prepare_save()
670 svm->nested.ctl.tsc_offset, in nested_vmcb02_prepare_control()
828 if (!svm->nested.hsave_msr) { in nested_svm_vmrun()
969 svm->nested.vmcb12_gpa = 0; in nested_svm_vmexit()
1126 if (svm->nested.initialized) in svm_allocate_nested()
1136 if (!svm->nested.msrpm) in svm_allocate_nested()
[all …]
A Dhyperv.h17 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_hv_update_vm_vp_ids()
23 hv_vcpu->nested.pa_page_gpa = hve->partition_assist_page; in nested_svm_hv_update_vm_vp_ids()
24 hv_vcpu->nested.vm_id = hve->hv_vm_id; in nested_svm_hv_update_vm_vp_ids()
25 hv_vcpu->nested.vp_id = hve->hv_vp_id; in nested_svm_hv_update_vm_vp_ids()
31 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_l2_tlb_flush_enabled()
A Dsvm.h231 struct svm_nested_state nested; member
493 return svm->vgif_enabled && (svm->nested.ctl.int_ctl & V_GIF_ENABLE_MASK); in nested_vgif_enabled()
502 return svm->nested.vmcb02.ptr; in get_vgif_vmcb()
539 return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; in nested_npt_enabled()
590 return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK); in nested_svm_virtualize_tpr()
595 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_SMI); in nested_exit_on_smi()
600 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_INTR); in nested_exit_on_intr()
605 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_NMI); in nested_exit_on_nmi()
/linux-6.3-rc2/arch/x86/kvm/vmx/
A Dnested.c241 hv_vcpu->nested.vm_id = 0; in nested_release_evmcs()
301 if (!vmx->nested.vmxon && !vmx->nested.smm.vmxon) in free_nested()
306 vmx->nested.vmxon = false; in free_nested()
1370 if (vmx->nested.vmxon) in vmx_set_vmx_msr()
2020 vmx->nested.hv_evmcs = vmx->nested.hv_evmcs_map.hva; in nested_vmx_handle_enlightened_vmptrld()
2239 if (vmx->nested.dirty_vmcs12 || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)) in prepare_vmcs02_early()
2535 if (vmx->nested.dirty_vmcs12 || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)) { in prepare_vmcs02()
3251 vmx->nested.pi_desc = in nested_get_vmcs12_pages()
5178 if (vmx->nested.vmxon) in handle_vmxon()
5313 } else if (vmx->nested.hv_evmcs && vmptr == vmx->nested.hv_evmcs_vmptr) { in handle_vmclear()
[all …]
A Dnested.h41 return to_vmx(vcpu)->nested.cached_vmcs12; in get_vmcs12()
46 return to_vmx(vcpu)->nested.cached_shadow_vmcs12; in get_shadow_vmcs12()
59 return vmx->nested.current_vmptr != -1ull || in vmx_has_valid_vmcs12()
60 vmx->nested.hv_evmcs_vmptr != EVMPTR_INVALID; in vmx_has_valid_vmcs12()
67 return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid; in nested_get_vpid02()
110 return to_vmx(vcpu)->nested.msrs.misc_low & in nested_cpu_has_vmwrite_any_field()
258 u64 fixed0 = to_vmx(vcpu)->nested.msrs.cr0_fixed0; in nested_guest_cr0_valid()
259 u64 fixed1 = to_vmx(vcpu)->nested.msrs.cr0_fixed1; in nested_guest_cr0_valid()
272 u64 fixed0 = to_vmx(vcpu)->nested.msrs.cr0_fixed0; in nested_host_cr0_valid()
273 u64 fixed1 = to_vmx(vcpu)->nested.msrs.cr0_fixed1; in nested_host_cr0_valid()
[all …]
A Dvmx.c1949 if (!nested) in vmx_get_msr_feature()
2777 if (nested) in vmx_check_processor_compat()
4531 if (nested) { in vmx_adjust_secondary_exec_control()
4704 if (nested) in init_vmcs()
4823 if (nested) in __vmx_vcpu_reset()
4824 memcpy(&vmx->nested.msrs, &vmcs_config.nested, sizeof(vmx->nested.msrs)); in __vmx_vcpu_reset()
6961 return nested; in vmx_has_emulated_msr()
7797 if (nested) in vmx_set_cpu_caps()
8057 vmx->nested.smm.vmxon = vmx->nested.vmxon; in vmx_enter_smm()
8109 if (nested) in vmx_hardware_unsetup()
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/linux-6.3-rc2/Documentation/virt/kvm/x86/
A Drunning-nested-guests.rst4 Running nested guests with KVM
76 Enabling "nested" (x86)
98 parm: nested:bool
105 options kvm-intel nested=y
144 Starting a nested guest (x86)
159 nested guest with accelerated KVM.
162 Enabling "nested" (s390x)
169 $ modprobe kvm nested=1
184 Live migration with nested KVM
213 Reporting bugs from nested setups
[all …]
A Dindex.rst16 nested-vmx
17 running-nested-guests
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-6.3-rc2/Documentation/netlink/specs/
A Dethtool.yaml41 nested-attributes: bitset-bit
54 nested-attributes: bitset-bits
72 nested-attributes: string
86 nested-attributes: strings
94 nested-attributes: stringset
101 nested-attributes: header
116 nested-attributes: header
120 nested-attributes: bitset
128 nested-attributes: header
199 nested-attributes: header
[all …]
/linux-6.3-rc2/Documentation/networking/
A Dethtool-netlink.rst109 Compact form: nested (bitset) attribute contents:
134 Bit-by-bit form: nested (bitset) attribute contents:
379 ``ETHTOOL_A_LINKINFO_HEADER`` nested reply header
493 ``ETHTOOL_A_LINKSTATE_HEADER`` nested reply header
660 ``ETHTOOL_A_DEBUG_HEADER`` nested reply header
708 ``ETHTOOL_A_WOL_HEADER`` nested reply header
749 ``ETHTOOL_A_FEATURES_HEADER`` nested reply header
781 ``ETHTOOL_A_FEATURES_HEADER`` nested reply header
821 ``ETHTOOL_A_PRIVFLAGS_HEADER`` nested reply header
864 ``ETHTOOL_A_RINGS_HEADER`` nested reply header
[all …]
/linux-6.3-rc2/tools/perf/bench/
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()
A Depoll-wait.c105 static unsigned int nested = 0; variable
138 …OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)…
246 if (nested > EPOLL_MAXNESTS) in nest_epollfd()
247 nested = EPOLL_MAXNESTS; in nest_epollfd()
249 epollfdp = calloc(nested, sizeof(*epollfdp)); in nest_epollfd()
253 for (i = 0; i < nested; i++) { in nest_epollfd()
262 for (i = nested - 1; i; i--) { in nest_epollfd()
325 if (nested) in do_threads()
460 if (nested) in bench_epoll_wait()
465 printinfo("Nesting level(s): %d\n", nested); in bench_epoll_wait()
/linux-6.3-rc2/net/netfilter/ipset/
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()
A Dip_set_list_set.c462 struct nlattr *nested; in list_set_head() local
465 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_head()
466 if (!nested) in list_set_head()
475 nla_nest_end(skb, nested); in list_set_head()
487 struct nlattr *atd, *nested; in list_set_list() local
505 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_list()
506 if (!nested) in list_set_list()
513 nla_nest_end(skb, nested); in list_set_list()
523 nla_nest_cancel(skb, nested); in list_set_list()
/linux-6.3-rc2/scripts/coccinelle/locks/
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-6.3-rc2/arch/um/os-Linux/
A Dsignal.c184 int nested, bail; in hard_handler() local
200 nested = pending & 1; in hard_handler()
215 if (!nested) in hard_handler()
216 pending = from_irq_stack(nested); in hard_handler()
/linux-6.3-rc2/arch/powerpc/kvm/
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()
A Dbook3s_64_mmu_radix.c106 if (vcpu->arch.nested) in kvmhv_copy_tofrom_guest_radix()
803 if (nested) in kvmppc_hv_handle_set_rc()
1299 struct kvm_nested_guest *nested; in debugfs_radix_read() local
1335 nested = NULL; in debugfs_radix_read()
1341 if (nested) { in debugfs_radix_read()
1342 kvmhv_put_nested(nested); in debugfs_radix_read()
1343 nested = NULL; in debugfs_radix_read()
1355 if (!nested) { in debugfs_radix_read()
1359 pgt = nested->shadow_pgtable; in debugfs_radix_read()
1434 if (nested) in debugfs_radix_read()
[all …]
/linux-6.3-rc2/Documentation/dev-tools/
A 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.
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
246 nested version line, uses a line of the form
/linux-6.3-rc2/Documentation/x86/
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-6.3-rc2/arch/arm64/kvm/
A DMakefile17 arch_timer.o trng.o vmid.o emulate-nested.o nested.o \
/linux-6.3-rc2/arch/x86/kvm/
A DMakefile26 vmx/hyperv.o vmx/nested.o vmx/posted_intr.o
29 kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o \
/linux-6.3-rc2/arch/um/kernel/
A Dirq.c711 int nested; in to_irq_stack() local
733 nested = (ti->real_thread != NULL); in to_irq_stack()
734 if (!nested) { in to_irq_stack()
747 *mask_out |= mask | nested; in to_irq_stack()
751 unsigned long from_irq_stack(int nested) in from_irq_stack() argument
/linux-6.3-rc2/tools/testing/selftests/kvm/lib/
A Dmemstress.c159 if (args->nested) in memstress_create_vm()
180 if (args->nested) in memstress_create_vm()
219 if (args->nested) { in memstress_create_vm()

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