From: Heiko Carstens Date: Mon, 3 Jul 2006 07:25:26 +0000 (-0700) Subject: [PATCH] lockdep: annotate qeth driver X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=91ebe2a9320db7195d1e25152b5d158fc66dc133;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [PATCH] lockdep: annotate qeth driver Annotate the qeth driver which uses a private skb-queue-head that is safely used in hardirq context too. Has no effect on non-lockdep kernels. Signed-off-by: Heiko Carstens Acked-by: Ingo Molnar Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 36733b9823c6..8e8963f15731 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -84,6 +84,8 @@ static debug_info_t *qeth_dbf_qerr = NULL; DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf); +static struct lock_class_key qdio_out_skb_queue_key; + /** * some more definitions and declarations */ @@ -3229,6 +3231,9 @@ qeth_alloc_qdio_buffers(struct qeth_card *card) &card->qdio.out_qs[i]->qdio_bufs[j]; skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. skb_list); + lockdep_set_class( + &card->qdio.out_qs[i]->bufs[j].skb_list.lock, + &qdio_out_skb_queue_key); INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); } } @@ -5272,6 +5277,7 @@ qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, struct sk_buff_head tmp_list; skb_queue_head_init(&tmp_list); + lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key); for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ while ((skb = skb_dequeue(&buf->skb_list))){ if (vlan_tx_tag_present(skb) &&