[PATCH 37/45] KVM: Drop kvm_arch_vcpu_setup()

[Sean Christopherson]

Remove kvm_arch_vcpu_setup() now that all arch specific implementations
are nops.

Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
---
 arch/arm/kvm/guest.c      | 5 -----
 arch/arm64/kvm/guest.c    | 5 -----
 arch/mips/kvm/mips.c      | 5 -----
 arch/powerpc/kvm/book3s.c | 5 -----
 arch/powerpc/kvm/booke.c  | 5 -----
 arch/s390/kvm/kvm-s390.c  | 5 -----
 arch/x86/kvm/x86.c        | 5 -----
 include/linux/kvm_host.h  | 1 -
 virt/kvm/kvm_main.c       | 5 -----
 9 files changed, 41 deletions(-)

diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c
index 684cf64b4033..39323d686448 100644
--- a/arch/arm/kvm/guest.c
+++ b/arch/arm/kvm/guest.c
@@ -30,11 +30,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ NULL }
 };
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 static u64 core_reg_offset_from_id(u64 id)
 {
 	return id & ~(KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_CORE);
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index dfd626447482..483b02425ec8 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -43,11 +43,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ NULL }
 };
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 static bool core_reg_offset_is_vreg(u64 off)
 {
 	return off >= KVM_REG_ARM_CORE_REG(fp_regs.vregs) &&
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index b3a4435af66b..06366e2415a6 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -1244,11 +1244,6 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 static void kvm_mips_set_c0_status(void)
 {
 	u32 status = read_c0_status();
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index fd049ede2487..2f0ca8237db0 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -496,11 +496,6 @@ int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
 }
 EXPORT_SYMBOL_GPL(kvmppc_load_last_inst);
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
 {
 	return 0;
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index b1b5073a22b1..35b781775d3d 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1377,11 +1377,6 @@ static void kvmppc_set_tsr(struct kvm_vcpu *vcpu, u32 new_tsr)
 	update_timer_ints(vcpu);
 }
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
 {
 	/* setup watchdog timer once */
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3e3d242d6630..c3c855fd909c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2934,11 +2934,6 @@ static void kvm_s390_vcpu_setup_model(struct kvm_vcpu *vcpu)
 		vcpu->arch.sie_block->fac = (u32)(u64) model->fac_list;
 }
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 static int kvm_s390_vcpu_setup(struct kvm_vcpu *vcpu)
 {
 	int rc = 0;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dbb939bd4949..e320e6f21202 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9037,11 +9037,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 	return 0;
 }
 
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
 {
 	struct msr_data msr;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c36379824408..0b8b0f0ab4d7 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -854,7 +854,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
 int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id);
 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu);
-int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4a4d2992d915..1ae98c1f12b0 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2678,10 +2678,6 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
 	if (r)
 		goto vcpu_uninit;
 
-	r = kvm_arch_vcpu_setup(vcpu);
-	if (r)
-		goto vcpu_destroy;
-
 	kvm_create_vcpu_debugfs(vcpu);
 
 	mutex_lock(&kvm->lock);
@@ -2716,7 +2712,6 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
 unlock_vcpu_destroy:
 	mutex_unlock(&kvm->lock);
 	debugfs_remove_recursive(vcpu->debugfs_dentry);
-vcpu_destroy:
 	kvm_arch_vcpu_destroy(vcpu);
 vcpu_uninit:
 	kvm_vcpu_uninit(vcpu);
-- 
2.22.0