From: David Miller <davem@davemloft.net>
To: xiaosuo@gmail.com
Cc: eric.dumazet@gmail.com, therbert@google.com, eparis@redhat.com,
netdev@vger.kernel.org
Subject: Re: BUG: using smp_processor_id() in preemptible [00000000] code: avahi-daemon: caller is netif_rx
Date: Thu, 15 Apr 2010 00:37:11 -0700 (PDT) [thread overview]
Message-ID: <20100415.003711.159334670.davem@davemloft.net> (raw)
In-Reply-To: <l2p412e6f7f1004150030o8a406133s91d6614cbb106796@mail.gmail.com>
From: Changli Gao <xiaosuo@gmail.com>
Date: Thu, 15 Apr 2010 15:30:44 +0800
> Should netif_rx() be used only when preemption is disabled? If not,
> netif_rx_ni() should be used instead.?
netif_rx() must be invoked from a hardware or software interrupt,
which implies preemption disabled.
In netif_rx_ni(), the "ni" means "not interrupt".
next prev parent reply other threads:[~2010-04-15 7:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-12 19:20 BUG: using smp_processor_id() in preemptible [00000000] code: avahi-daemon: caller is netif_rx Eric Paris
2010-04-12 19:40 ` Eric Dumazet
2010-04-12 20:54 ` Tom Herbert
2010-04-13 7:14 ` Eric Dumazet
2010-04-15 7:14 ` David Miller
2010-04-15 7:30 ` Changli Gao
2010-04-15 7:37 ` David Miller [this message]
2010-04-15 7:47 ` Changli Gao
2010-04-15 7:57 ` David Miller
2010-04-15 8:27 ` Changli Gao
2010-04-15 8:33 ` David Miller
2010-04-15 8:58 ` Eric Dumazet
2010-04-15 8:49 ` Eric Dumazet
2010-04-15 9:02 ` David Miller
2010-04-15 10:29 ` Eric Dumazet
2010-04-15 13:16 ` Eric Dumazet
2010-04-15 19:07 ` Eric Dumazet
2010-04-15 19:13 ` [PATCH] ip: Fix ip_dev_loopback_xmit() Eric Dumazet
2010-04-15 21:26 ` David Miller
2010-04-16 0:03 ` Changli Gao
2010-04-16 0:15 ` David Miller
2010-04-16 0:19 ` Changli Gao
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