KVM: Let vcpu structure alignment be determined at runtime

vmx and svm vcpus have different contents and therefore may have different
alignmment requirements.  Let each specify its required alignment.

Signed-off-by: Avi Kivity <avi@redhat.com>

7 files changed, 9 insertions, 7 deletions

diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c
index 7a62f75778c..f0b9cac8241 100644
--- a/arch/ia64/kvm/vmm.c
+++ b/arch/ia64/kvm/vmm.c
@@ -51,7 +51,7 @@ static int __init  kvm_vmm_init(void)
         vmm_fpswa_interface = fpswa_interface;
 
         /*Register vmm data to kvm side*/
-        return kvm_init(&vmm_info, 1024, THIS_MODULE);
+        return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);
 }
 
 static void __exit kvm_vmm_exit(void)
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index 689a57c2ac8..73c0a3f64ed 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -147,7 +147,7 @@ static int __init kvmppc_44x_init(void)
         if (r)
                 return r;
 
-        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), THIS_MODULE);
+        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), 0, THIS_MODULE);
 }
 
 static void __exit kvmppc_44x_exit(void)
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 28e785fb2ca..11f226ff446 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1385,7 +1385,8 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 
 static int kvmppc_book3s_init(void)
 {
-        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), THIS_MODULE);
+        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_book3s), 0,
+                        THIS_MODULE);
 }
 
 static void kvmppc_book3s_exit(void)
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 669a5c5fc7d..bc2b4004eb2 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -161,7 +161,7 @@ static int __init kvmppc_e500_init(void)
         flush_icache_range(kvmppc_booke_handlers,
                         kvmppc_booke_handlers + max_ivor + kvmppc_handler_len);
 
-        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), THIS_MODULE);
+        return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
 }
 
 static void __init kvmppc_e500_exit(void)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ee7c713686c..8093e6f47f4 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -752,7 +752,7 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 static int __init kvm_s390_init(void)
 {
         int ret;
-        ret = kvm_init(NULL, sizeof(struct kvm_vcpu), THIS_MODULE);
+        ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
         if (ret)
                 return ret;
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 889f66022e5..2511664ff67 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3319,7 +3319,7 @@ static struct kvm_x86_ops svm_x86_ops = {
 static int __init svm_init(void)
 {
         return kvm_init(&svm_x86_ops, sizeof(struct vcpu_svm),
-                              THIS_MODULE);
+                        __alignof__(struct vcpu_svm), THIS_MODULE);
 }
 
 static void __exit svm_exit(void)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 875b785228f..2e872967860 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4245,7 +4245,8 @@ static int __init vmx_init(void)
 
         set_bit(0, vmx_vpid_bitmap); /* 0 is reserved for host */
 
-        r = kvm_init(&vmx_x86_ops, sizeof(struct vcpu_vmx), THIS_MODULE);
+        r = kvm_init(&vmx_x86_ops, sizeof(struct vcpu_vmx),
+                     __alignof__(struct vcpu_vmx), THIS_MODULE);
         if (r)
                 goto out3;