Re: 2.6.9-rc3-mm2

From: Grant Wilson
Date: Mon Oct 04 2004 - 17:02:05 EST


Andrew Morton wrote:
[snip]

You could try these instead:

--- 25/include/linux/netfilter_ipv4/ip_conntrack.h~conntrack-preempt-safety-fix Mon Oct 4 14:36:19 2004
+++ 25-akpm/include/linux/netfilter_ipv4/ip_conntrack.h Mon Oct 4 14:37:02 2004
@@ -311,10 +311,11 @@ struct ip_conntrack_stat
unsigned int expect_delete;
};
-#define CONNTRACK_STAT_INC(count) \
- do { \
- per_cpu(ip_conntrack_stat, get_cpu()).count++; \
- put_cpu(); \
+#define CONNTRACK_STAT_INC(count) \
+ do { \
+ preempt_disable(); \
+ per_cpu(ip_conntrack_stat, smp_processor_id()).count++; \
+ preempt_disable();
^^^^^^^^^^^^^^^^^^
Should this not be preempt_enable(); ?

Cheers,
Grant
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