11 Dec
2018
11 Dec
'18
10:11 a.m.
On Tue, Dec 11, 2018 at 11:08 AM Thierry Reding thierry.reding@gmail.com wrote:
On Mon, Dec 10, 2018 at 10:51:04PM +0100, Arnd Bergmann wrote:
In this usage, the two are completely equivalent, but the completion documents better what is going on, and we generally try to avoid semaphores these days.
Signed-off-by: Arnd Bergmann arnd@arndb.de
drivers/gpu/host1x/cdma.c | 6 +++--- drivers/gpu/host1x/cdma.h | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-)
My understanding is that potentially many userspace processes could be blocking on this, which I think is the reason for it being a semaphore. Is the completion going to work for those cases as well?
Yes, it behaves the exact same way here.
Arnd