15ac2b08a2
Reported issues when using dev_kfree_skb() on UP systems and systems with low numbers of cores. dev_kfree_skb_irq() will properly save IRQ state before freeing the skb. Tested on 3.1.1 and 3.2_rc2 Example of reproducible trace of kernel 3.1.1 ------------[ cut here ]------------ WARNING: at kernel/softirq.c:159 local_bh_enable+0x32/0x79() ... Pid: 0, comm: swapper Not tainted 3.1.1-gentoo #1 Call Trace: [<c1022970>] warn_slowpath_common+0x65/0x7a [<c102699e>] ? local_bh_enable+0x32/0x79 [<c1022994>] warn_slowpath_null+0xf/0x13 [<c102699e>] local_bh_enable+0x32/0x79 [<c134bfd8>] destroy_conntrack+0x7c/0x9b [<c134890b>] nf_conntrack_destroy+0x1f/0x26 [<c132e3a6>] skb_release_head_state+0x74/0x83 [<c132e286>] __kfree_skb+0xb/0x6b [<c132e30a>] consume_skb+0x24/0x26 [<c127c925>] b44_poll+0xaa/0x449 [<c1333ca1>] net_rx_action+0x3f/0xea [<c1026a44>] __do_softirq+0x5f/0xd5 [<c10269e5>] ? local_bh_enable+0x79/0x79 <IRQ> [<c1026c32>] ? irq_exit+0x34/0x8d [<c1003628>] ? do_IRQ+0x74/0x87 [<c13f5329>] ? common_interrupt+0x29/0x30 [<c1006e18>] ? default_idle+0x29/0x3e [<c10015a7>] ? cpu_idle+0x2f/0x5d [<c13e91c5>] ? rest_init+0x79/0x7b [<c15c66a9>] ? start_kernel+0x297/0x29c [<c15c60b0>] ? i386_start_kernel+0xb0/0xb7 ---[ end trace 583f33bb1aa207a9 ]--- Signed-off-by: Xander Hover <LKML@hover.be> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| 3com | ||
| 8390 | ||
| adaptec | ||
| adi | ||
| aeroflex | ||
| alteon | ||
| amd | ||
| apple | ||
| atheros | ||
| broadcom | ||
| brocade | ||
| cadence | ||
| chelsio | ||
| cirrus | ||
| cisco | ||
| davicom | ||
| dec | ||
| dlink | ||
| emulex | ||
| faraday | ||
| freescale | ||
| fujitsu | ||
| hp | ||
| i825xx | ||
| ibm | ||
| icplus | ||
| intel | ||
| marvell | ||
| mellanox | ||
| micrel | ||
| microchip | ||
| myricom | ||
| natsemi | ||
| neterion | ||
| nuvoton | ||
| nvidia | ||
| octeon | ||
| oki-semi | ||
| packetengines | ||
| pasemi | ||
| qlogic | ||
| racal | ||
| rdc | ||
| realtek | ||
| renesas | ||
| seeq | ||
| sfc | ||
| sgi | ||
| silan | ||
| sis | ||
| smsc | ||
| stmicro | ||
| sun | ||
| tehuti | ||
| ti | ||
| tile | ||
| toshiba | ||
| tundra | ||
| via | ||
| xilinx | ||
| xircom | ||
| xscale | ||
| dnet.c | ||
| dnet.h | ||
| ethoc.c | ||
| fealnx.c | ||
| jme.c | ||
| jme.h | ||
| Kconfig | ||
| korina.c | ||
| lantiq_etop.c | ||
| Makefile | ||
| mipsnet.c | ||
| netx-eth.c | ||
| s6gmac.c | ||