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请问一个中断处理的问题

时间：2010-09-09

来源：互联网

Pid: 1, comm: init
CPU: 0 Not tainted (2.6.32.9 #93)
PC is at synchronize_irq+0x34/0xe0
LR is at synchronize_irq+0x1c/0xe0
pc : [<c009d7b0>] lr : [<c009d798>] psr: 00000113
sp : ef433ad8 ip : c009c3d8 fp : ef433b0c
r10: ef434098 r9 : 00000000 r8 : 00000000
r7 : 00000028 r6 : c0504428 r5 : c0504428 r4 : c05043ec
r3 : 00008703 r2 : 00000070 r1 : 60000113 r0 : c0504428
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c5387d Table: 4eefc019 DAC: 00000015
PC: 0xc009d730:
d730 e12fff33 e284603c e1a00006 eb0b0337 e1a01005 e3a02000 e1a07000 e1a00004
d750 ebfffe6b e1a00006 e1a01007 eb0b02b9 e5943010 e5933040 e3530000 089da8f0
d770 e1a00005 e12fff33 e89da8f0 e1a0c00d e92dd8f0 e24cb004 e24dd018 e92d4000
d790 ebfe3a65 ebfffb0a e2504000 1284503c 1a000000 ea000029 e5943024 e1a00005
d7b0 e3130c01 1afffffb eb0b0318 e5946024 e1a01000 e1a00005 eb0b029e e2161c01
d7d0 1afffff4 e594304c e3530000 0a00001b e24b5030 e1a0200d e3c23d7f e3a02014
d7f0 e3c3303f e1a00005 e2846050 e285500c e593700c eb043485 e59f3048 e50b5020
d810 e50b702c e50b3028 e50b5024 e24b5030 e1a00006 e3a02002 e1a01005 ebff7818
LR: 0xc009d718:
d718 089da8f0 e5943010 e593303c e3530000 0a000001 e1a00005 e12fff33 e284603c
d738 e1a00006 eb0b0337 e1a01005 e3a02000 e1a07000 e1a00004 ebfffe6b e1a00006
d758 e1a01007 eb0b02b9 e5943010 e5933040 e3530000 089da8f0 e1a00005 e12fff33
d778 e89da8f0 e1a0c00d e92dd8f0 e24cb004 e24dd018 e92d4000 ebfe3a65 ebfffb0a
d798 e2504000 1284503c 1a000000 ea000029 e5943024 e1a00005 e3130c01 1afffffb
d7b8 eb0b0318 e5946024 e1a01000 e1a00005 eb0b029e e2161c01 1afffff4 e594304c
d7d8 e3530000 0a00001b e24b5030 e1a0200d e3c23d7f e3a02014 e3c3303f e1a00005
d7f8 e2846050 e285500c e593700c eb043485 e59f3048 e50b5020 e50b702c e50b3028
SP: 0xef433a58:
3a58 0000003d ef433ba8 00000002 00010004 ef433a8c ef433a78 c002b07c c009e810
3a78 ffffffff f8000000 ef433b0c ef433a90 c002bb88 c002b00c c0504428 60000113
3a98 00000070 00008703 c05043ec c0504428 c0504428 00000028 00000000 00000000
3ab8 ef434098 ef433b0c c009c3d8 ef433ad8 c009d798 c009d7b0 00000113 ffffffff
3ad8 c05043ec c05043ec ef433b0c ef433af0 c009cdc8 c035e254 00000028 c05043ec
3af8 c0504428 00000028 ef433b24 ef433b10 c009daa4 c009d788 c0586c04 00000028
3b18 ef433b3c ef433b28 c025a080 c009da70 eedefb40 ef432000 ef433b6c ef433b40
3b38 c009c778 c025a058 00000000 c05043ec 00000028 c0504428 eedefb40 00000002

复制代码

我在驱动中写了一个中断处理函数，在处理函数中屏蔽掉这个中断，结果崩掉了
static irqreturn_t xxx_irq_handle(int irq, void *dev_id)
{
disable_irq(irq);
queue_work(xxx,xxx);
}

如果我不调disable_irq(irq);就不会出错

出错码：

作者: xxw19840406 发布时间: 2010-09-09

没有enable_irq

作者: omycle 发布时间: 2010-09-09

请问一个中断处理的问题

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