Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
* if system_state is not SYSTEM_RUNNING, then wait_atomic is used ...
*/
struct alloc_parms {
* if system_state is not SYSTEM_RUNNING, then wait_atomic is used ...
*/
struct alloc_parms {
+ struct completion done;
int number;
atomic_t wait_atomic;
int used_wait_atomic;
int number;
atomic_t wait_atomic;
int used_wait_atomic;
if (parmsp->used_wait_atomic)
atomic_set(&parmsp->wait_atomic, 0);
else
if (parmsp->used_wait_atomic)
atomic_set(&parmsp->wait_atomic, 0);
else
+ complete(&parmsp->done);
}
static int allocateEvents(HvLpIndex remoteLp, int numEvents)
}
static int allocateEvents(HvLpIndex remoteLp, int numEvents)
atomic_set(&parms.wait_atomic, 1);
} else {
parms.used_wait_atomic = 0;
atomic_set(&parms.wait_atomic, 1);
} else {
parms.used_wait_atomic = 0;
- init_MUTEX_LOCKED(&parms.sem);
+ init_completion(&parms.done);
}
mf_allocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo, 250, /* It would be nice to put a real number here! */
numEvents, &viopath_donealloc, &parms);
}
mf_allocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo, 250, /* It would be nice to put a real number here! */
numEvents, &viopath_donealloc, &parms);
while (atomic_read(&parms.wait_atomic))
mb();
} else
while (atomic_read(&parms.wait_atomic))
mb();
} else
+ wait_for_completion(&parms.done);
spin_unlock_irqrestore(&statuslock, flags);
parms.used_wait_atomic = 0;
spin_unlock_irqrestore(&statuslock, flags);
parms.used_wait_atomic = 0;
- init_MUTEX_LOCKED(&parms.sem);
+ init_completion(&parms.done);
mf_deallocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo,
numReq, &viopath_donealloc, &parms);
mf_deallocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo,
numReq, &viopath_donealloc, &parms);
+ wait_for_completion(&parms.done);
spin_lock_irqsave(&statuslock, flags);
for (i = 0, numOpen = 0; i < VIO_MAX_SUBTYPES; i++)
spin_lock_irqsave(&statuslock, flags);
for (i = 0, numOpen = 0; i < VIO_MAX_SUBTYPES; i++)