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-rw-r--r--arch/arm64/kvm/arm.c7
-rw-r--r--arch/mips/kvm/mips.c7
-rw-r--r--arch/powerpc/kvm/book3s.c2
-rw-r--r--arch/powerpc/kvm/e500.c2
-rw-r--r--arch/powerpc/kvm/e500mc.c2
-rw-r--r--arch/powerpc/kvm/powerpc.c5
-rw-r--r--arch/riscv/kvm/main.c7
-rw-r--r--arch/s390/kvm/kvm-s390.c7
-rw-r--r--arch/x86/kvm/svm/svm.c4
-rw-r--r--arch/x86/kvm/vmx/vmx.c4
-rw-r--r--arch/x86/kvm/x86.c5
-rw-r--r--include/linux/kvm_host.h4
-rw-r--r--virt/kvm/kvm_main.c24
13 files changed, 13 insertions, 67 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 04ed741f7b9d..698787ed87e9 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -63,11 +63,6 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE;
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
struct kvm_enable_cap *cap)
{
@@ -2285,7 +2280,7 @@ static __init int kvm_arm_init(void)
* FIXME: Do something reasonable if kvm_init() fails after pKVM
* hypervisor protection is finalized.
*/
- err = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
+ err = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (err)
goto out_subs;
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 3cade648827a..36c8991b5d39 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -135,11 +135,6 @@ void kvm_arch_hardware_disable(void)
kvm_mips_callbacks->hardware_disable();
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
extern void kvm_init_loongson_ipi(struct kvm *kvm);
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
@@ -1636,7 +1631,7 @@ static int __init kvm_mips_init(void)
register_die_notifier(&kvm_mips_csr_die_notifier);
- ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
+ ret = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (ret) {
unregister_die_notifier(&kvm_mips_csr_die_notifier);
return ret;
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 87283a0e33d8..57f4e7896d67 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1052,7 +1052,7 @@ static int kvmppc_book3s_init(void)
{
int r;
- r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
+ r = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (r)
return r;
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 0ea61190ec04..b0f695428733 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -531,7 +531,7 @@ static int __init kvmppc_e500_init(void)
flush_icache_range(kvmppc_booke_handlers, kvmppc_booke_handlers +
ivor[max_ivor] + handler_len);
- r = kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
+ r = kvm_init(sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
if (r)
goto err_out;
kvm_ops_e500.owner = THIS_MODULE;
diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index 795667f7ebf0..611532a0dedc 100644
--- a/arch/powerpc/kvm/e500mc.c
+++ b/arch/powerpc/kvm/e500mc.c
@@ -404,7 +404,7 @@ static int __init kvmppc_e500mc_init(void)
*/
kvmppc_init_lpid(KVMPPC_NR_LPIDS/threads_per_core);
- r = kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
+ r = kvm_init(sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
if (r)
goto err_out;
kvm_ops_e500mc.owner = THIS_MODULE;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 01d0f9935e6c..f5b4ff6bfc89 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -440,11 +440,6 @@ int kvm_arch_hardware_enable(void)
return 0;
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
{
struct kvmppc_ops *kvm_ops = NULL;
diff --git a/arch/riscv/kvm/main.c b/arch/riscv/kvm/main.c
index be951feee27a..e2da56ed9069 100644
--- a/arch/riscv/kvm/main.c
+++ b/arch/riscv/kvm/main.c
@@ -20,11 +20,6 @@ long kvm_arch_dev_ioctl(struct file *filp,
return -EINVAL;
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
int kvm_arch_hardware_enable(void)
{
unsigned long hideleg, hedeleg;
@@ -110,7 +105,7 @@ static int __init riscv_kvm_init(void)
kvm_info("VMID %ld bits available\n", kvm_riscv_gstage_vmid_bits());
- return kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
+ return kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
}
module_init(riscv_kvm_init);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 25b08b956888..7ad8252e92c2 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -262,11 +262,6 @@ int kvm_arch_hardware_enable(void)
return 0;
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
/* forward declarations */
static void kvm_gmap_notifier(struct gmap *gmap, unsigned long start,
unsigned long end);
@@ -5716,7 +5711,7 @@ static int __init kvm_s390_init(void)
if (r)
return r;
- r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
+ r = kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
if (r) {
__kvm_s390_exit();
return r;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e55f8e54e25a..6db44797e85e 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -5109,8 +5109,8 @@ static int __init svm_init(void)
* Common KVM initialization _must_ come last, after this, /dev/kvm is
* exposed to userspace!
*/
- r = kvm_init(NULL, sizeof(struct vcpu_svm),
- __alignof__(struct vcpu_svm), THIS_MODULE);
+ r = kvm_init(sizeof(struct vcpu_svm), __alignof__(struct vcpu_svm),
+ THIS_MODULE);
if (r)
goto err_kvm_init;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index e996034809de..3df6b771d816 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -8635,8 +8635,8 @@ static int __init vmx_init(void)
* Common KVM initialization _must_ come last, after this, /dev/kvm is
* exposed to userspace!
*/
- r = kvm_init(NULL, sizeof(struct vcpu_vmx),
- __alignof__(struct vcpu_vmx), THIS_MODULE);
+ r = kvm_init(sizeof(struct vcpu_vmx), __alignof__(struct vcpu_vmx),
+ THIS_MODULE);
if (r)
goto err_kvm_init;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d94e6e8692cc..17cbd17c9077 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -12084,11 +12084,6 @@ void kvm_arch_hardware_disable(void)
drop_user_return_notifiers();
}
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return 0;
-}
-
bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu)
{
return vcpu->kvm->arch.bsp_vcpu_id == vcpu->vcpu_id;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 62d977bb1448..20e207e4c6c1 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -956,8 +956,7 @@ static inline void kvm_irqfd_exit(void)
{
}
#endif
-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- struct module *module);
+int kvm_init(unsigned vcpu_size, unsigned vcpu_align, struct module *module);
void kvm_exit(void);
void kvm_get_kvm(struct kvm *kvm);
@@ -1444,7 +1443,6 @@ static inline void kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) {}
int kvm_arch_hardware_enable(void);
void kvm_arch_hardware_disable(void);
-int kvm_arch_check_processor_compat(void *opaque);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 597ff734b312..e13b369cfc1b 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -5902,36 +5902,14 @@ void kvm_unregister_perf_callbacks(void)
}
#endif
-struct kvm_cpu_compat_check {
- void *opaque;
- int *ret;
-};
-
-static void check_processor_compat(void *data)
+int kvm_init(unsigned vcpu_size, unsigned vcpu_align, struct module *module)
{
- struct kvm_cpu_compat_check *c = data;
-
- *c->ret = kvm_arch_check_processor_compat(c->opaque);
-}
-
-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
- struct module *module)
-{
- struct kvm_cpu_compat_check c;
int r;
int cpu;
if (!zalloc_cpumask_var(&cpus_hardware_enabled, GFP_KERNEL))
return -ENOMEM;
- c.ret = &r;
- c.opaque = opaque;
- for_each_online_cpu(cpu) {
- smp_call_function_single(cpu, check_processor_compat, &c, 1);
- if (r < 0)
- goto out_free_2;
- }
-
r = cpuhp_setup_state_nocalls(CPUHP_AP_KVM_STARTING, "kvm/cpu:starting",
kvm_starting_cpu, kvm_dying_cpu);
if (r)