Takashi Iwai 8a4259bf89 ALSA: ctxfi - Fix Oops at mmapping ... Replace a spinlock with a mutex protecting the vm block list at mmap / munmap calls, which caused Oops like below: BUG: sleeping function called from invalid context at mm/slub.c:1599 in_atomic(): 0, irqs_disabled(): 1, pid: 32065, name: xine Pid: 32065, comm: xine Tainted: P 2.6.29.4-75.fc10.x86_64 #1 Call Trace: [<ffffffff81040685>] __might_sleep+0x105/0x10a [<ffffffff810c9fae>] kmem_cache_alloc+0x32/0xe2 [<ffffffffa08e3110>] ct_vm_map+0xfa/0x19e [snd_ctxfi] [<ffffffffa08e1a07>] ct_map_audio_buffer+0x4c/0x76 [snd_ctxfi] [<ffffffffa08e2aa5>] atc_pcm_playback_prepare+0x1d7/0x2a8 [snd_ctxfi] [<ffffffff8105ef3f>] ? up_read+0x9/0xb [<ffffffff81186b61>] ? __up_read+0x7c/0x87 [<ffffffffa08e36a6>] ct_pcm_playback_prepare+0x39/0x60 [snd_ctxfi] [<ffffffffa0886bcb>] snd_pcm_do_prepare+0x16/0x28 [snd_pcm] [<ffffffffa08867c7>] snd_pcm_action_single+0x2d/0x5b [snd_pcm] [<ffffffffa08881f3>] snd_pcm_action_nonatomic+0x52/0x6a [snd_pcm] [<ffffffffa088a723>] snd_pcm_common_ioctl1+0x404/0xc79 [snd_pcm] [<ffffffff810c52c8>] ? alloc_pages_current+0xb9/0xc2 [<ffffffff810c9402>] ? new_slab+0x1a5/0x1cb [<ffffffff810ab9ea>] ? vma_prio_tree_insert+0x23/0xc1 [<ffffffffa088b411>] snd_pcm_playback_ioctl1+0x213/0x230 [snd_pcm] [<ffffffff810b6c20>] ? mmap_region+0x397/0x4c9 [<ffffffffa088bd9b>] snd_pcm_playback_ioctl+0x2e/0x36 [snd_pcm] [<ffffffff810ddc64>] vfs_ioctl+0x2a/0x78 [<ffffffff810de130>] do_vfs_ioctl+0x462/0x4a2 [<ffffffff81029cef>] ? default_spin_lock_flags+0x9/0xe [<ffffffff81374647>] ? trace_hardirqs_off_thunk+0x3a/0x6c [<ffffffff810de1c5>] sys_ioctl+0x55/0x77 [<ffffffff8101133a>] system_call_fastpath+0x16/0x1b Signed-off-by: Takashi Iwai <tiwai@suse.de>		2009-06-02 08:40:51 +02:00
..
ct20k1reg.h
ct20k2reg.h
ctamixer.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
ctamixer.h
ctatc.c	ALSA: ctxfi - Fix Oops at mmapping	2009-06-02 08:40:51 +02:00
ctatc.h	ALSA: ctxfi - Fix Oops at mmapping	2009-06-02 08:40:51 +02:00
ctdaio.c
ctdaio.h
cthardware.c
cthardware.h
cthw20k1.c
cthw20k1.h
cthw20k2.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
cthw20k2.h
ctimap.c
ctimap.h
ctmixer.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
ctmixer.h
ctpcm.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
ctpcm.h
ctresource.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
ctresource.h
ctsrc.c	ALSA: ctxfi - Add prefix to debug prints	2009-05-14 15:19:30 +02:00
ctsrc.h
ctvmem.c	ALSA: ctxfi - Fix Oops at mmapping	2009-06-02 08:40:51 +02:00
ctvmem.h	ALSA: ctxfi - Fix Oops at mmapping	2009-06-02 08:40:51 +02:00
Makefile
xfi.c	ALSA: ctxfi - Add missing module parameter definitions	2009-05-26 18:35:27 +02:00