The patch titled
spidernet: transmit race
has been removed from the -mm tree. Its filename was
spidernet-transmit-race.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: spidernet: transmit race
From: Linas Vepstas <linas@xxxxxxxxxxxxxx>
Multiple threads performing a transmit can race into the spidernet tx ring
cleanup code. This puts the relevant check under a lock.
Signed-off-by: Linas Vepstas <lins@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/spider_net.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN drivers/net/spider_net.c~spidernet-transmit-race drivers/net/spider_net.c
--- a/drivers/net/spider_net.c~spidernet-transmit-race
+++ a/drivers/net/spider_net.c
@@ -803,8 +803,12 @@ spider_net_release_tx_chain(struct spide
unsigned long flags;
int status;
- while (chain->tail != chain->head) {
+ while (1) {
spin_lock_irqsave(&chain->lock, flags);
+ if (chain->tail == chain->head) {
+ spin_unlock_irqrestore(&chain->lock, flags);
+ return 0;
+ }
descr = chain->tail;
hwdescr = descr->hwdescr;
_
Patches currently in -mm which might be from linas@xxxxxxxxxxxxxx are
s2io-add-pci-error-recovery-support.patch
-
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