Re: [Xen-devel] [PATCH v2 1/2] xen: export do_yield as vcpu_yield

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 07/23/2014 02:37 PM, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> CC: george.dunlap@xxxxxxxxxxxxx
> CC: JBeulich@xxxxxxxx
Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

> Changes in v2:
> - do not change paramters and return value of do_yield.
> ---
>   xen/common/schedule.c   |    6 +++---
>   xen/include/xen/sched.h |    1 +
>   2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/xen/common/schedule.c b/xen/common/schedule.c
> index e9eb0bc..9a49769 100644
> --- a/xen/common/schedule.c
> +++ b/xen/common/schedule.c
> @@ -795,7 +795,7 @@ static long do_poll(struct sched_poll *sched_poll)
>   }
>   
>   /* Voluntarily yield the processor for this allocation. */
> -static long do_yield(void)
> +long vcpu_yield(void)
>   {
>       struct vcpu * v=current;
>       spinlock_t *lock = vcpu_schedule_lock_irq(v);
> @@ -888,7 +888,7 @@ long do_sched_op_compat(int cmd, unsigned long arg)
>       {
>       case SCHEDOP_yield:
>       {
> -        ret = do_yield();
> +        ret = vcpu_yield();
>           break;
>       }
>   
> @@ -925,7 +925,7 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
>       {
>       case SCHEDOP_yield:
>       {
> -        ret = do_yield();
> +        ret = vcpu_yield();
>           break;
>       }
>   
> diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
> index 2f876f5..be932cf 100644
> --- a/xen/include/xen/sched.h
> +++ b/xen/include/xen/sched.h
> @@ -634,6 +634,7 @@ int  sched_id(void);
>   void sched_tick_suspend(void);
>   void sched_tick_resume(void);
>   void vcpu_wake(struct vcpu *v);
> +long vcpu_yield(void);
>   void vcpu_sleep_nosync(struct vcpu *v);
>   void vcpu_sleep_sync(struct vcpu *v);
>   

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