kvm_vcpu_write_guest_page identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/kvm_host.h, line 1451 (as a prototype)

Defined in 1 files as a function:

virt/kvm/kvm_main.c, line 3322 (as a function)

Referenced in 3 files:

Smatch caller information:

arch/x86/kvm/vmx/nested.c nested_release_vmcs12() -> kvm_vcpu_write_guest_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->arch.regs_avail	4096-ptr_max
PARAM_VALUE	1	gfn	0-4503599627370495
PARAM_VALUE	3	offset	0
PARAM_VALUE	4	len	4096
DATA_SOURCE	0	vcpu	$0
NOCHECK_CALL
UNITS	1	gfn	unit_page
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.intercept_message
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved2
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved3
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved4
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.virtualization_fault_information
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.vtl_ret_actions

arch/x86/kvm/hyperv.c synic_deliver_msg() -> kvm_vcpu_write_guest_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	0	vcpu->last_used_slot	0,4096-ptr_max
PARAM_VALUE	0	vcpu->last_used_slot->base_gfn	0-18446744073709551614
PARAM_VALUE	1	gfn	0-4503599627370495
PARAM_VALUE	2	data	5309118045056741381
PARAM_VALUE	4	len	1
DATA_SOURCE	0	vcpu	r hv_synic_to_vcpu
UNITS	1	gfn	unit_page
UNITS	4	len	unit_byte
LOCK2		&vcpu->kvm->srcu
LOCK2		&vcpu->mutex
TYPE_LOCK		(struct kvm)->srcu
TYPE_LOCK		(struct kvm_vcpu)->mutex

arch/x86/kvm/hyperv.c synic_deliver_msg() -> kvm_vcpu_write_guest_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu	4096-ptr_max
PARAM_VALUE	0	vcpu->kvm	4096-ptr_max
PARAM_VALUE	0	vcpu->last_used_slot	0,4096-ptr_max
PARAM_VALUE	0	vcpu->last_used_slot->base_gfn	0-18446744073709551614
PARAM_VALUE	1	gfn	0-4503599627370495
PARAM_VALUE	2	data	4096-ptr_max
BUF_SIZE	2	data	256
DATA_SOURCE	0	vcpu	r hv_synic_to_vcpu
DATA_SOURCE	2	data	$2
UNITS	1	gfn	unit_page
UNITS	4	len	unit_byte
LOCK2		&vcpu->kvm->srcu
LOCK2		&vcpu->mutex
TYPE_LOCK		(struct kvm)->srcu
TYPE_LOCK		(struct kvm_vcpu)->mutex

arch/x86/kvm/../../../virt/kvm/kvm_main.c kvm_vcpu_write_guest() -> kvm_vcpu_write_guest_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	vcpu->kvm->arch.apicv_update_lock.first_waiter->type	0-1
PARAM_VALUE	0	vcpu->run->debug.arch.exception	1,3
PARAM_VALUE	0	vcpu->run->emulation_failure.flags	0-1
PARAM_VALUE	0	vcpu->run->emulation_failure.insn_size	1-255
PARAM_VALUE	0	vcpu->run->emulation_failure.ndata	6,8,10,12
PARAM_VALUE	0	vcpu->run->emulation_failure.suberror	1
PARAM_VALUE	0	vcpu->run->fail_entry.hardware_entry_failure_reason	0-u32max,u64max
PARAM_VALUE	0	vcpu->run->hypercall.flags	0-1
PARAM_VALUE	0	vcpu->run->hypercall.nr	12
PARAM_VALUE	0	vcpu->run->hypercall.ret	0-s32max,18446744071562067968-u64max
PARAM_VALUE	0	vcpu->run->internal.ndata	0,2,4-5
PARAM_VALUE	0	vcpu->run->internal.suberror	1-4
PARAM_VALUE	0	vcpu->run->memory_fault.flags	0,8
PARAM_VALUE	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520
PARAM_VALUE	0	vcpu->run->memory_fault.size	4096
PARAM_VALUE	0	vcpu->run->mmio.is_write	0-1
PARAM_VALUE	0	vcpu->run->mmio.len	0-8
PARAM_VALUE	0	vcpu->run->notify.flags	0-1
PARAM_VALUE	0	vcpu->run->snp_req_certs.ret	0
PARAM_VALUE	0	vcpu->run->system_event.ndata	0-1,16
PARAM_VALUE	0	vcpu->run->system_event.type	2-3,6-7
PARAM_VALUE	0	vcpu->run->tpr_access.is_write	0-1
PARAM_VALUE	3	offset	0-4095
PARAM_VALUE	4	len	1-4096
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	0	vcpu	s32min-(-1),1-s32max
BUF_SIZE	2	data	(-1),2-4,8-10,32,44,512,4096
BUF_SIZE	2	data	(-1),2-4,8-10,32,44,512,4096
CAPPED_DATA	4	len	1
DATA_SOURCE	0	vcpu	$0
DATA_SOURCE	2	data	$2 [m]
FUZZY_MAX	3	offset	0
NOSPEC	0	vcpu->arch.mmio_gfn
NOSPEC	0	vcpu->arch.xen.runstate2_cache.pfn
NOSPEC	0	vcpu->arch.xen.runstate_cache.pfn
PREEMPT_ADD
HOST_DATA	0	vcpu->arch.host_debugctl	0-u64max[c]
USER_DATA	0	vcpu->arch.cr8	0-14
USER_DATA	0	vcpu->arch.exception.payload	0-u64max
USER_DATA	0	vcpu->arch.l1_tsc_offset	0-u64max
USER_DATA	0	vcpu->arch.mmio_gfn	0-4503599627370495[c]
USER_DATA	0	vcpu->arch.nmi_queued.counter	0
USER_DATA	0	vcpu->arch.tsc_offset	0-u64max
USER_DATA	0	vcpu->arch.xen.runstate2_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate2_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.gpa	0-18446744073709551614[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.pfn	0-4503599627370494[c]
USER_DATA	0	vcpu->arch.xen.runstate_cache.uhva	0-u64max[c]
USER_DATA	0	vcpu->run->memory_fault.gpa	0,4096-18446744073709547520[c]
USER_DATA	2	*data	s64min-s64max
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_external_spt_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_page_header_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_pte_list_desc_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadow_page_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.capacity
NO_OVERFLOW_SIMPLE	0	vcpu->arch.mmu_shadowed_info_cache.nobjs
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.count
NO_OVERFLOW_SIMPLE	0	vcpu->arch.pio.size
NO_OVERFLOW_SIMPLE	0	vcpu->kvm->arch.split_desc_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->kvm->arch.split_page_header_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->kvm->arch.split_shadow_page_cache.kmem_cache->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	vcpu->run->io.count
NO_OVERFLOW_SIMPLE	0	vcpu->run->io.size
NO_OVERFLOW_SIMPLE	4	len
UNITS	1	gfn	unit_page
UNITS	4	len	unit_byte
USER_PTR	0	vcpu->arch.emulate_ctxt->fetch.end
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.intercept_message
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved2
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved3
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.reserved4
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.virtualization_fault_information
USER_PTR	0	vcpu->arch.hyperv->vp_assist_page.vtl_ret_actions
USER_PTR	0	vcpu->arch.pdptrs
USER_PTR	0	vcpu->arch.walk_mmu->pdptrs
USER_PTR	2	data
HALF_LOCKED2		&hv->hv_lock
HALF_LOCKED2	0	&vcpu->kvm->srcu
HALF_LOCKED2	0	&vcpu->mutex