[POWERPC] viopath: Use a completion in some more places (39d20703) · Commits · 戴 / test

arch/powerpc/platforms/iseries/viopath.c

+6 −6

Original line number	Diff line number	Diff line
		@@ -82,7 +82,7 @@ static void handleMonitorEvent(struct HvLpEvent *event);
		* if system_state is not SYSTEM_RUNNING, then wait_atomic is used ...
		*/
		struct alloc_parms {
		struct semaphore sem;
		struct completion done;
		int number;
		atomic_t wait_atomic;
		int used_wait_atomic;
		@@ -465,7 +465,7 @@ static void viopath_donealloc(void *parm, int number)
		if (parmsp->used_wait_atomic)
		atomic_set(&parmsp->wait_atomic, 0);
		else
		up(&parmsp->sem);
		complete(&parmsp->done);
		}

		static int allocateEvents(HvLpIndex remoteLp, int numEvents)
		@@ -477,7 +477,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents)
		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);
		@@ -485,7 +485,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents)
		while (atomic_read(&parms.wait_atomic))
		mb();
		} else
		down(&parms.sem);
		wait_for_completion(&parms.done);
		return parms.number;
		}

		@@ -586,10 +586,10 @@ int viopath_close(HvLpIndex remoteLp, int subtype, int numReq)
		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);
		down(&parms.sem);
		wait_for_completion(&parms.done);

		spin_lock_irqsave(&statuslock, flags);
		for (i = 0, numOpen = 0; i < VIO_MAX_SUBTYPES; i++)

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