From 0a6562c78091d03370228e3e8bd2bddf87fe524f Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 5 Aug 2019 09:39:47 -0700 Subject: svm: fix fifo growth on dequeue with drop Type:fix Change-Id: I39c339abf1b51105ef1bcf3d6f0f4f6ded54f32d Signed-off-by: Florin Coras --- src/svm/svm_fifo.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c index 56f53a3d339..b6f0df7d88d 100644 --- a/src/svm/svm_fifo.c +++ b/src/svm/svm_fifo.c @@ -967,6 +967,9 @@ svm_fifo_dequeue_drop (svm_fifo_t * f, u32 len) if (!svm_fifo_chunk_includes_pos (f->head_chunk, head)) f->head_chunk = svm_fifo_find_chunk (f, head); + if (PREDICT_FALSE (f->flags & SVM_FIFO_F_GROW)) + svm_fifo_try_grow (f, head); + /* store-rel: consumer owned index (paired with load-acq in producer) */ clib_atomic_store_rel_n (&f->head, head); @@ -982,6 +985,9 @@ svm_fifo_dequeue_drop_all (svm_fifo_t * f) if (!svm_fifo_chunk_includes_pos (f->head_chunk, tail)) f->head_chunk = svm_fifo_find_chunk (f, tail); + if (PREDICT_FALSE (f->flags & SVM_FIFO_F_GROW)) + svm_fifo_try_grow (f, tail); + /* store-rel: consumer owned index (paired with load-acq in producer) */ clib_atomic_store_rel_n (&f->head, tail); } -- cgit 1.2.3-korg