tree c1ec48d87746c744d93411649f05149755d1454a
parent 51050750181c791410a7e8dc405cc909e264587b
author Riley Andrews <riandrews@google.com> 1498762897 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1504081313 +0200

binder: Use wake up hint for synchronous transactions.

commit 00b40d613352c623aaae88a44e5ded7c912909d7 upstream.

Use wake_up_interruptible_sync() to hint to the scheduler binder
transactions are synchronous wakeups. Disable preemption while waking
to avoid ping-ponging on the binder lock.

Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Omprakash Dhyade <odhyade@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>