![]() (with no apologies to C Heston) On Mon, 2007-10-09 at 21:00 +0800, Herbert Xu wrote: On Sun, Sep 02, 2007 at 01:11:29PM +0000, Christian Kujau wrote: > > > > after upgrading to 2.6.23-rc5 (and applying davem's fix [0]), lockdep > > was quite noisy when I tried to shape my external (wireless) interface: > > > > [ 6400.534545] FahCore_78.exe/3552 just changed the state of lock: > > [ 6400.534713] (&dev->ingress_lock){-+..}, at: [<c038d595>] > > netif_receive_skb+0x2d5/0x3c0 > > [ 6400.534941] but this lock took another, soft-read-irq-unsafe lock in the > > past: > > [ 6400.535145] (police_lock){-.--} > > This is a genuine dead-lock. The police lock can be taken > for reading with softirqs on. If a second CPU tries to take > the police lock for writing, while holding the ingress lock, > then a softirq on the first CPU can dead-lock when it tries > to get the ingress lock. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
act_api.c | ||
act_gact.c | ||
act_ipt.c | ||
act_mirred.c | ||
act_pedit.c | ||
act_police.c | ||
act_simple.c | ||
cls_api.c | ||
cls_basic.c | ||
cls_fw.c | ||
cls_route.c | ||
cls_rsvp.c | ||
cls_rsvp.h | ||
cls_rsvp6.c | ||
cls_tcindex.c | ||
cls_u32.c | ||
em_cmp.c | ||
em_meta.c | ||
em_nbyte.c | ||
em_text.c | ||
em_u32.c | ||
ematch.c | ||
Kconfig | ||
Makefile | ||
sch_api.c | ||
sch_atm.c | ||
sch_blackhole.c | ||
sch_cbq.c | ||
sch_dsmark.c | ||
sch_fifo.c | ||
sch_generic.c | ||
sch_gred.c | ||
sch_hfsc.c | ||
sch_htb.c | ||
sch_ingress.c | ||
sch_netem.c | ||
sch_prio.c | ||
sch_red.c | ||
sch_sfq.c | ||
sch_tbf.c | ||
sch_teql.c |