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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-12-23 19:35:26 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 18:35:45 +0300 |
| commit | 79fac95ecfa3969aab8119d37ccd7226165f933a (patch) | |
| tree | 4103169c7fd2b7fb1ba95dae2db6b3f365476b9d /virt/kvm/coalesced_mmio.c | |
| parent | f656ce0185cabbbb0cf96877306879661297c7ad (diff) | |
| download | linux-79fac95ecfa3969aab8119d37ccd7226165f933a.tar.xz | |
KVM: convert slots_lock to a mutex
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm/coalesced_mmio.c')
| -rw-r--r-- | virt/kvm/coalesced_mmio.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index a736a93ca7b7..5de6594260cb 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -110,9 +110,9 @@ int kvm_coalesced_mmio_init(struct kvm *kvm) dev->kvm = kvm; kvm->coalesced_mmio_dev = dev; - down_write(&kvm->slots_lock); + mutex_lock(&kvm->slots_lock); ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &dev->dev); - up_write(&kvm->slots_lock); + mutex_unlock(&kvm->slots_lock); if (ret < 0) goto out_free_dev; @@ -140,16 +140,16 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm, if (dev == NULL) return -EINVAL; - down_write(&kvm->slots_lock); + mutex_lock(&kvm->slots_lock); if (dev->nb_zones >= KVM_COALESCED_MMIO_ZONE_MAX) { - up_write(&kvm->slots_lock); + mutex_unlock(&kvm->slots_lock); return -ENOBUFS; } dev->zone[dev->nb_zones] = *zone; dev->nb_zones++; - up_write(&kvm->slots_lock); + mutex_unlock(&kvm->slots_lock); return 0; } @@ -163,7 +163,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm, if (dev == NULL) return -EINVAL; - down_write(&kvm->slots_lock); + mutex_lock(&kvm->slots_lock); i = dev->nb_zones; while(i) { @@ -181,7 +181,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm, i--; } - up_write(&kvm->slots_lock); + mutex_unlock(&kvm->slots_lock); return 0; } |