On 27.04.2013, at 02:53, Scott Wood wrote:
> Nobody is actually calling these functions with slots_lock held.
> The srcu read lock, OTOH, is required.
>
> Signed-off-by: Scott Wood <[email protected]>
Marcelo, could you please ack?
Alex
> ---
> virt/kvm/kvm_main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 5da9f02..54a14fa 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -2828,7 +2828,7 @@ static int kvm_io_bus_get_first_dev(struct kvm_io_bus
> *bus,
> return off;
> }
>
> -/* kvm_io_bus_write - called under kvm->slots_lock */
> +/* kvm_io_bus_write - called under kvm->srcu read lock */
> int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
> int len, const void *val)
> {
> @@ -2856,7 +2856,7 @@ int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus
> bus_idx, gpa_t addr,
> return -EOPNOTSUPP;
> }
>
> -/* kvm_io_bus_read - called under kvm->slots_lock */
> +/* kvm_io_bus_read - called under kvm->srcu read lock */
> int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
> int len, void *val)
> {
> --
> 1.7.10.4
>
>
> --
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