On Wed, Jun 9, 2021 at 4:32 PM Baokun Li <libaokun1@xxxxxxxxxx> wrote: > > Using list_move_tail() instead of list_del() + list_add_tail() in atomisp_compat_css20.c. Have you considered using list_splice() instead of entire while-loops? Or something similar from list.h... > while (!list_empty(&asd->s3a_stats_in_css)) { > s3a_buf = list_entry(asd->s3a_stats_in_css.next, > struct atomisp_s3a_buf, list); > - list_del(&s3a_buf->list); > - list_add_tail(&s3a_buf->list, &asd->s3a_stats); > + list_move_tail(&s3a_buf->list, &asd->s3a_stats); > } > while (!list_empty(&asd->s3a_stats_ready)) { > s3a_buf = list_entry(asd->s3a_stats_ready.next, > struct atomisp_s3a_buf, list); > - list_del(&s3a_buf->list); > - list_add_tail(&s3a_buf->list, &asd->s3a_stats); > + list_move_tail(&s3a_buf->list, &asd->s3a_stats); > } > while (!list_empty(&asd->dis_stats_in_css)) { > dis_buf = list_entry(asd->dis_stats_in_css.next, > struct atomisp_dis_buf, list); > - list_del(&dis_buf->list); > - list_add_tail(&dis_buf->list, &asd->dis_stats); > + list_move_tail(&dis_buf->list, &asd->dis_stats); > } > while (!list_empty(&asd->metadata_in_css[i])) { > md_buf = list_entry(asd->metadata_in_css[i].next, > struct atomisp_metadata_buf, list); > - list_del(&md_buf->list); > - list_add_tail(&md_buf->list, &asd->metadata[i]); > + list_move_tail(&md_buf->list, &asd->metadata[i]); > } > while (!list_empty(&asd->metadata_ready[i])) { > md_buf = list_entry(asd->metadata_ready[i].next, > struct atomisp_metadata_buf, list); > - list_del(&md_buf->list); > - list_add_tail(&md_buf->list, &asd->metadata[i]); > + list_move_tail(&md_buf->list, &asd->metadata[i]); > } -- With Best Regards, Andy Shevchenko