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authorHerbert Xu <herbert@gondor.apana.org.au>2005-10-03 13:57:23 -0700
committerDavid S. Miller <davem@davemloft.net>2005-10-03 13:57:23 -0700
commit325ed8239309cb29f10ea58c5a668058ead11479 (patch)
tree77386825b72ac44f4f42a942ef78bd1ff924b351 /init
parentddea7be0ec8d1374f0b483a81566ed56ec9f3905 (diff)
[NET]: Fix packet timestamping.
I've found the problem in general. It affects any 64-bit architecture. The problem occurs when you change the system time. Suppose that when you boot your system clock is forward by a day. This gets recorded down in skb_tv_base. You then wind the clock back by a day. From that point onwards the offset will be negative which essentially overflows the 32-bit variables they're stored in. In fact, why don't we just store the real time stamp in those 32-bit variables? After all, we're not going to overflow for quite a while yet. When we do overflow, we'll need a better solution of course. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'init')
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