From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: [PATCH] Add a missing test to tx_work_todo. Date: Tue, 14 Dec 2010 20:35:21 +0000 Message-ID: <1292358922-5569-4-git-send-email-paul.durrant@citrix.com> References: <1292358922-5569-1-git-send-email-paul.durrant@citrix.com> <1292358922-5569-2-git-send-email-paul.durrant@citrix.com> <1292358922-5569-3-git-send-email-paul.durrant@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1292358922-5569-3-git-send-email-paul.durrant@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com Cc: Paul Durrant List-Id: xen-devel@lists.xenproject.org Adda test so that, when netback is using worker threads, net_tx_action() gets called in a timely manner when the pending_inuse list is populated. Signed-off-by: Paul Durrant --- drivers/xen/netback/netback.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/xen/netback/netback.c b/drivers/xen/netback/netback.c index 87a2cd4..eca61a9 100644 --- a/drivers/xen/netback/netback.c +++ b/drivers/xen/netback/netback.c @@ -1712,6 +1712,10 @@ static inline int tx_work_todo(struct xen_netbk *netbk) if (netbk->dealloc_cons != netbk->dealloc_prod) return 1; + if (netbk_copy_skb_mode == NETBK_DELAYED_COPY_SKB && + !list_empty(&netbk->pending_inuse_head)) + return 1; + if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) && !list_empty(&netbk->net_schedule_list)) return 1; -- 1.5.6.5