On 8/10/20 3:10 PM, Peter Zijlstra wrote: > On Mon, Aug 10, 2020 at 03:06:49PM -0600, Jens Axboe wrote: > >> should work as far as I can tell, but I don't even know if there's a >> reliable way to do task_in_kernel(). > > Only on NOHZ_FULL, and tracking that is one of the things that makes it > so horribly expensive. Probably no other way than to bite the bullet and just use TWA_SIGNAL unconditionally... -- Jens Axboe
