kernel-fxtec-pro1x/sound/pci/ctxfi
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 ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ct20k2reg.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctamixer.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
ctamixer.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
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 ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctdaio.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
cthardware.c ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
cthardware.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
cthw20k1.c ALSA: ctxfi - Add missing inclusion of linux/delay.h 2009-05-14 10:56:04 +02:00
cthw20k1.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
cthw20k2.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
cthw20k2.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctimap.c ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctimap.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctmixer.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
ctmixer.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctpcm.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
ctpcm.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctresource.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
ctresource.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
ctsrc.c ALSA: ctxfi - Add prefix to debug prints 2009-05-14 15:19:30 +02:00
ctsrc.h ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
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 ALSA: SB X-Fi driver merge 2009-05-14 08:24:10 +02:00
xfi.c ALSA: ctxfi - Add missing module parameter definitions 2009-05-26 18:35:27 +02:00