greybus: operation: fix operation ordering

Make the operation work queue single threaded.

The operation work queue was meant to be single threaded, but due to a
missing flag instead allowed one active task per CPU, something which
could lead to requests being processed out of order on SMP systems.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Tested-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2015-07-22 17:49:17 +02:00 committed by Greg Kroah-Hartman
parent 583cbf50e0
commit b4bd734ea6

View File

@ -1043,7 +1043,8 @@ int __init gb_operation_init(void)
if (!gb_operation_cache)
goto err_destroy_message_cache;
gb_operation_workqueue = alloc_workqueue("greybus_operation", 0, 1);
gb_operation_workqueue = alloc_workqueue("greybus_operation",
WQ_UNBOUND, 1);
if (!gb_operation_workqueue)
goto err_operation;