On 4/5/23 1:40 PM, Wen Yang wrote: > > 在 2023/4/6 03:26, Jens Axboe 写道: >> On 4/5/23 1:20 PM, wenyang.linux@xxxxxxxxxxx wrote: >>> From: Wen Yang <wenyang.linux@xxxxxxxxxxx> >>> >>> wait_event_interruptible_locked_irq was introduced by commit 22c43c81a51e >>> ("wait_event_interruptible_locked() interface"), but older code such as >>> eventfd_{write,read} still uses the open code implementation. >>> Inspired by commit 8120a8aadb20 >>> ("fs/timerfd.c: make use of wait_event_interruptible_locked_irq()"), this >>> patch replaces the open code implementation with a single macro call. >>> >>> No functional change intended. >> Looks pretty reasonable to me. How did you test it? >> > Thanks. > > We have verified it in some local testing environments, and the intel-lab-lkp has also tested it more than a month, as follows: > > https://github.com/intel-lab-lkp/linux/tree/wenyang-linux-foxmail-com/eventfd-use-wait_event_interruptible_locked_irq-helper/20230217-023039 Nice, you can add my: Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> to it as well. Adding Christian as well, as I guess this should go through his/al/vfs tree. -- Jens Axboe