netdev
[Top] [All Lists]

Re: [Fwd: Re: possible bug x86 2.4.2 SMP in IP receive stack]

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]
        }


<Prev in Thread] Current Thread [Next in Thread>