| To: | andrewm@xxxxxxxxxx, feldy@xxxxxxxx |
|---|---|
| Subject: | Re: [Fwd: Re: possible bug x86 2.4.2 SMP in IP receive stack] |
| From: | Bob Felderman <feldy@xxxxxxxx> |
| Date: | Mon, 5 Mar 2001 16:00:13 -0800 |
| Cc: | kuznet@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| Sender: | owner-netdev@xxxxxxxxxxx |
=> From andrewm@xxxxxxxxxx Mon Mar 5 15:50:15 2001
=> Your driver doesn't appear to have any SMP locking. The
=> same skb can be fed to the network stack twice.
The driver does (and always has had)
if (test_and_set_bit(0, (void *) &is->arch.interrupt) != 0) {
/* hmm, interrupt called twice */
[other stuff deleted]
}
|
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