On Fri, Jul 12, 2019 at 12:07:37PM -0400, Daniel Jordan wrote: > > modprobe (CPU2) kworker/21:1-293 (CPU21) > kworker/5:2-276 (CPU5) > -------------------------- ------------------------ > ---------------------- > <submit job, seq_nr=16581> > ... > padata_do_parallel > queue_work_on(21, ...) > <sleeps> > padata_parallel_worker > pcrypt_aead_dec > padata_do_serial > padata_reorder
This can't happen because if the job started on CPU2 then it must go back to CPU2 for completion. IOW padata_do_serial should be punting this to a work queue for CPU2 rather than calling padata_reorder on CPU21. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
