diff options
| author |   Avi Kivity <avi@redhat.com> | 2010-05-13 12:35:17 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:35:48 +0300 |
| commit | 93736624635235cc5372ffca6d62816d02170724 (patch) | |
| tree | 801205636b4d6da4127a6d33873902d690431f52 /arch | |
| parent | KVM: PPC: Centralize locking of arch specific vcpu ioctls (diff) | |
| download | linux-dev-93736624635235cc5372ffca6d62816d02170724.tar.xz linux-dev-93736624635235cc5372ffca6d62816d02170724.zip | |
KVM: Consolidate arch specific vcpu ioctl locking
Now that all arch specific ioctls have centralized locking, it is easy to
move it to the central dispatcher.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 11 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 13 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
3 files changed, 10 insertions, 16 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index caeed7b31bf9..a1d87508892e 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -512,17 +512,16 @@ long kvm_arch_vcpu_ioctl(struct file *filp, void __user *argp = (void __user *)arg; long r; - if (ioctl == KVM_INTERRUPT) { + switch (ioctl) { + case KVM_INTERRUPT: { struct kvm_interrupt irq; r = -EFAULT; if (copy_from_user(&irq, argp, sizeof(irq))) - goto out_nolock; + goto out; r = kvm_vcpu_ioctl_interrupt(vcpu, &irq); - goto out_nolock; + goto out; } - vcpu_load(vcpu); - switch (ioctl) { case KVM_ENABLE_CAP: { struct kvm_enable_cap cap; @@ -537,8 +536,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp, } out: - vcpu_put(vcpu); -out_nolock: return r; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index fd169f658bf8..0cb0da7822d5 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -638,16 +638,16 @@ long kvm_arch_vcpu_ioctl(struct file *filp, void __user *argp = (void __user *)arg; long r; - if (ioctl == KVM_S390_INTERRUPT) { + switch (ioctl) { + case KVM_S390_INTERRUPT: { struct kvm_s390_interrupt s390int; + r = -EFAULT; if (copy_from_user(&s390int, argp, sizeof(s390int))) - return -EFAULT; - return kvm_s390_inject_vcpu(vcpu, &s390int); + break; + r = kvm_s390_inject_vcpu(vcpu, &s390int); + break; } - - vcpu_load(vcpu); - switch (ioctl) { case KVM_S390_STORE_STATUS: r = kvm_s390_vcpu_store_status(vcpu, arg); break; @@ -666,7 +666,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp, default: r = -EINVAL; } - vcpu_put(vcpu); return r; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 999b017011f4..4c2096f30d90 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2298,7 +2298,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp, int r; struct kvm_lapic_state *lapic = NULL; - vcpu_load(vcpu); switch (ioctl) { case KVM_GET_LAPIC: { r = -EINVAL; @@ -2496,7 +2495,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp, r = -EINVAL; } out: - vcpu_put(vcpu); kfree(lapic); return r; } |