[PATCH v3 27/40] KVM: x86: Move register helper declarations from kvm_host.h => regs.h
From: Sean Christopherson
Date: Fri May 29 2026 - 18:30:15 EST
Relocate declarations of Control/Debug Register, EFLAGS and RIP helpers
from x86's kvm_host.h to regs.h, to continue trimming down kvm_host.h.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 17 -----------------
arch/x86/kvm/regs.h | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 19091d89d3cc..0f4b16b26a27 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -2186,8 +2186,6 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen);
void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned long kvm_nr_mmu_pages);
void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end);
-int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
-
/*
* EMULTYPE_NO_DECODE - Set when re-emulating an instruction (after completing
* userspace I/O) to indicate that the emulation context
@@ -2313,24 +2311,12 @@ void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index,
int reason, bool has_error_code, u32 error_code);
-void kvm_post_set_cr0(struct kvm_vcpu *vcpu, unsigned long old_cr0, unsigned long cr0);
-void kvm_post_set_cr4(struct kvm_vcpu *vcpu, unsigned long old_cr4, unsigned long cr4);
-int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
-int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
-int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
-int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
-int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
-unsigned long kvm_get_dr(struct kvm_vcpu *vcpu, int dr);
-unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
-void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr);
int kvm_emulate_xsetbv(struct kvm_vcpu *vcpu);
int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr);
int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr);
-unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu);
-void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
int kvm_emulate_rdpmc(struct kvm_vcpu *vcpu);
void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
@@ -2520,9 +2506,6 @@ u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc);
u64 kvm_calc_nested_tsc_offset(u64 l1_offset, u64 l2_offset, u64 l2_multiplier);
u64 kvm_calc_nested_tsc_multiplier(u64 l1_multiplier, u64 l2_multiplier);
-unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu);
-bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
-
void kvm_make_scan_ioapic_request(struct kvm *kvm);
void kvm_make_scan_ioapic_request_mask(struct kvm *kvm,
unsigned long *vcpu_bitmap);
diff --git a/arch/x86/kvm/regs.h b/arch/x86/kvm/regs.h
index c224874bbdde..30ef08d60a74 100644
--- a/arch/x86/kvm/regs.h
+++ b/arch/x86/kvm/regs.h
@@ -16,6 +16,18 @@
static_assert(!(KVM_POSSIBLE_CR0_GUEST_BITS & X86_CR0_PDPTR_BITS));
+void kvm_post_set_cr0(struct kvm_vcpu *vcpu, unsigned long old_cr0, unsigned long cr0);
+void kvm_post_set_cr4(struct kvm_vcpu *vcpu, unsigned long old_cr4, unsigned long cr4);
+int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
+int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
+int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
+int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
+int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
+unsigned long kvm_get_dr(struct kvm_vcpu *vcpu, int dr);
+unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
+void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
+int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
+
static inline bool is_long_mode(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_X86_64
@@ -425,7 +437,12 @@ static inline unsigned long kvm_get_segment_base(struct kvm_vcpu *vcpu, int seg)
return kvm_x86_call(get_segment_base)(vcpu, seg);
}
+unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu);
+bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
+
+unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu);
void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
+void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
void kvm_x86_vcpu_ioctl_get_sregs2(struct kvm_vcpu *vcpu,
struct kvm_sregs2 *sregs2);
--
2.54.0.823.g6e5bcc1fc9-goog