[03/13] KVM: x86: Move emulation-only helpers to emulate.c
diff mbox series

Message ID 20191122223959.13545-4-sean.j.christopherson@intel.com
State New
Headers show
Series
  • KVM: x86: Allow userspace to disable the emulator
Related show

Commit Message

Sean Christopherson Nov. 22, 2019, 10:39 p.m. UTC
Move ctxt_virt_addr_bits() and emul_is_noncanonical_address() from x86.h
to emulate.c.  This eliminates all references to struct x86_emulate_ctxt
from x86.h, and sets the stage for a future patch to stop including
kvm_emulate.h in asm/kvm_host.h.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/emulate.c | 15 +++++++++++++++
 arch/x86/kvm/x86.h     | 15 ---------------
 2 files changed, 15 insertions(+), 15 deletions(-)

Patch
diff mbox series

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 952d1a4f4d7e..596fa52e5ecb 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -670,6 +670,21 @@  static void set_segment_selector(struct x86_emulate_ctxt *ctxt, u16 selector,
 	ctxt->ops->set_segment(ctxt, selector, &desc, base3, seg);
 }
 
+static inline u8 ctxt_virt_addr_bits(struct x86_emulate_ctxt *ctxt)
+{
+	return (ctxt->ops->get_cr(ctxt, 4) & X86_CR4_LA57) ? 57 : 48;
+}
+
+static inline bool emul_is_noncanonical_address(u64 la,
+						struct x86_emulate_ctxt *ctxt)
+{
+#ifdef CONFIG_X86_64
+	return get_canonical(la, ctxt_virt_addr_bits(ctxt)) != la;
+#else
+	return false;
+#endif
+}
+
 /*
  * x86 defines three classes of vector instructions: explicitly
  * aligned, explicitly unaligned, and the rest, which change behaviour
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 29391af8871d..84649ec1b7f5 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -154,11 +154,6 @@  static inline u8 vcpu_virt_addr_bits(struct kvm_vcpu *vcpu)
 	return kvm_read_cr4_bits(vcpu, X86_CR4_LA57) ? 57 : 48;
 }
 
-static inline u8 ctxt_virt_addr_bits(struct x86_emulate_ctxt *ctxt)
-{
-	return (ctxt->ops->get_cr(ctxt, 4) & X86_CR4_LA57) ? 57 : 48;
-}
-
 static inline u64 get_canonical(u64 la, u8 vaddr_bits)
 {
 	return ((int64_t)la << (64 - vaddr_bits)) >> (64 - vaddr_bits);
@@ -173,16 +168,6 @@  static inline bool is_noncanonical_address(u64 la, struct kvm_vcpu *vcpu)
 #endif
 }
 
-static inline bool emul_is_noncanonical_address(u64 la,
-						struct x86_emulate_ctxt *ctxt)
-{
-#ifdef CONFIG_X86_64
-	return get_canonical(la, ctxt_virt_addr_bits(ctxt)) != la;
-#else
-	return false;
-#endif
-}
-
 static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
 					gva_t gva, gfn_t gfn, unsigned access)
 {