On Mon, 2020-11-02 at 12:50 -0700, Jens Axboe wrote: > Ah, but that's because later patches assume that TIF_NOTIFY_SIGNAL is > always there once all archs have been converted. If you just want to back > out that patch, you'll need to just revert this one: > > commit 82ef6998ed9d488e56bbfbcc2ec9adf62bf78f08 > Author: Jens Axboe <axboe@xxxxxxxxx> > Date: Fri Oct 9 16:04:39 2020 -0600 > > kernel: remove checking for TIF_NOTIFY_SIGNAL > > as well and I suspect it should build. No, at the minimal, I'll need to revert those to build successfully. 7b074c15374c io_uring: remove 'twa_signal_ok' deadlock work-around eb48a0f216fa kernel: remove checking for TIF_NOTIFY_SIGNAL c634e6b63a81 signal: kill JOBCTL_TASK_WORK f8b667db31a3 io_uring: JOBCTL_TASK_WORK is no longer used by task_work 4c3d9c3b415a s390: add support for TIF_NOTIFY_SIGNAL Then, it will fix the boot issue as well.