On 2022/10/29 09:04, Ming Lei wrote: > Add help info for choosing to build ublk_drv as module or builtin. > > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> > --- > drivers/block/Kconfig | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig > index db1b4b202646..a41145d52de9 100644 > --- a/drivers/block/Kconfig > +++ b/drivers/block/Kconfig > @@ -408,6 +408,12 @@ config BLK_DEV_UBLK > definition isn't finalized yet, and might change according to future > requirement, so mark is as experimental now. > > + Say Y if you want to get better performance because task_work_add() > + can be used in IO path for replacing io_uring cmd, which will become > + shared between IO tasks and ubq daemon, meantime task_work_add() can > + can handle batch more effectively, but task_work_add() isn't exported > + for module, so ublk has to be built to kernel. > + > source "drivers/block/rnbd/Kconfig" > > endif # BLK_DEV Reviewed-by: ZiyangZhang <ZiyangZhang@xxxxxxxxxxxxxxxxx>
