The patch titled
forcedeth: tx max work
has been removed from the -mm tree. Its filename was
forcedeth-tx-max-work.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: forcedeth: tx max work
From: Ayaz Abdulla <aabdulla@xxxxxxxxxx>
Add a limit to how much tx work can be done in each iteration of tx
processing.
Signed-off-by: Ayaz Abdulla <aabdulla@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/net/forcedeth.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff -puN drivers/net/forcedeth.c~forcedeth-tx-max-work drivers/net/forcedeth.c
--- a/drivers/net/forcedeth.c~forcedeth-tx-max-work
+++ a/drivers/net/forcedeth.c
@@ -1859,14 +1859,15 @@ static void nv_tx_done(struct net_device
}
}
-static void nv_tx_done_optimized(struct net_device *dev)
+static void nv_tx_done_optimized(struct net_device *dev, int limit)
{
struct fe_priv *np = netdev_priv(dev);
u32 flags;
struct ring_desc_ex* orig_get_tx = np->get_tx.ex;
while ((np->get_tx.ex != np->put_tx.ex) &&
- !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX_VALID)) {
+ !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX_VALID) &&
+ (limit-- > 0)) {
dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n",
dev->name, flags);
@@ -1973,7 +1974,7 @@ static void nv_tx_timeout(struct net_dev
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
nv_tx_done(dev);
else
- nv_tx_done_optimized(dev);
+ nv_tx_done_optimized(dev, np->tx_ring_size);
/* 3) if there are dead entries: clear everything */
if (np->get_tx_ctx != np->put_tx_ctx) {
@@ -2899,7 +2900,7 @@ static irqreturn_t nv_nic_irq_optimized(
break;
spin_lock(&np->lock);
- nv_tx_done_optimized(dev);
+ nv_tx_done_optimized(dev, TX_WORK_PER_LOOP);
spin_unlock(&np->lock);
#ifdef CONFIG_FORCEDETH_NAPI
@@ -3006,7 +3007,7 @@ static irqreturn_t nv_nic_irq_tx(int foo
break;
spin_lock_irqsave(&np->lock, flags);
- nv_tx_done_optimized(dev);
+ nv_tx_done_optimized(dev, TX_WORK_PER_LOOP);
spin_unlock_irqrestore(&np->lock, flags);
if (unlikely(events & (NVREG_IRQ_TX_ERR))) {
_
Patches currently in -mm which might be from aabdulla@xxxxxxxxxx are
git-netdev-all.patch
-
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