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

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
CC: george.dunlap@xxxxxxxxxxxxx
CC: JBeulich@xxxxxxxx

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);
 
-- 
1.7.10.4


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