[PATCH 2.6.24-rt1] SMC91x: Use special_lock when CONFIG_PREEMPT_[HARD|SOFT]IRQS

From: Kevin Hilman
Date: Wed Feb 13 2008 - 20:47:24 EST


The smc_special_locks should also be used when either softIRQs or hard
IRQs are preempted which may lead to the same problems as under SMP.

Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx>

---
drivers/net/smc91x.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index f198c49..be62616 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -530,7 +530,8 @@ static inline void smc_rcv(struct net_device *dev)
}
}

-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) || \
+ defined(CONFIG_PREEMPT_SOFTIRQS) || defined(CONFIG_PREEMPT_HARDIRQS)
/*
* On SMP we have the following problem:
*
--
1.5.4

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