On Tue, Nov 03, 2015 at 09:01:06AM -0600, Timur Tabi wrote: > Busy loops that poll on a register should call cpu_relax(). On some > architectures, it can lower CPU power consumption or yield to a > hyperthreaded twin processor. It also serves as a compiler barrier, > so it can replace barrier() calls. > > Signed-off-by: Timur Tabi <timur@xxxxxxxxxxxxxx> > Reviewed-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> > --- > drivers/tty/serial/amba-pl011.c | 11 ++++++----- > 1 file changed, 6 insertions(+), 5 deletions(-) > Doesn't apply to my tree :( -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
