Revision a16a1647fa6b6783c2e91623e72e86f0c2adac5e authored by Pablo Neira Ayuso on 16 March 2012, 02:00:34 UTC, committed by David S. Miller on 17 March 2012, 08:47:08 UTC
Kerin Millar reported hardlockups while running `conntrackd -c' in a busy firewall. That system (with several processors) was acting as backup in a primary-backup setup. After several tries, I found a race condition between the deletion operation of ctnetlink and timeout expiration. This patch fixes this problem. Tested-by: Kerin Millar <kerframil@gmail.com> Reported-by: Kerin Millar <kerframil@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent c577923
reciprocal_div.c
#include <asm/div64.h>
#include <linux/reciprocal_div.h>
#include <linux/export.h>
u32 reciprocal_value(u32 k)
{
u64 val = (1LL << 32) + (k - 1);
do_div(val, k);
return (u32)val;
}
EXPORT_SYMBOL(reciprocal_value);
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