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authorAnatol Pomozov <anatol.pomozov@gmail.com>2014-10-17 12:43:34 -0700
committerTakashi Iwai <tiwai@suse.de>2014-10-18 11:11:23 +0200
commita011e213f3700233ed2a676f1ef0a74a052d7162 (patch)
tree37260766da312de80aa1a76818f070f0396c7eb6 /sound
parentc8b00fd2f4c504a564adcad5b8bd6952ab850b02 (diff)
ALSA: pcm: use the same dma mmap codepath both for arm and arm64
This avoids following kernel crash when try to playback on arm64 [ 107.497203] [<ffffffc00046b310>] snd_pcm_mmap_data_fault+0x90/0xd4 [ 107.503405] [<ffffffc0001541ac>] __do_fault+0xb0/0x498 [ 107.508565] [<ffffffc0001576a0>] handle_mm_fault+0x224/0x7b0 [ 107.514246] [<ffffffc000092640>] do_page_fault+0x11c/0x310 [ 107.519738] [<ffffffc000081100>] do_mem_abort+0x38/0x98 Tested: backported to 3.14 and tried to playback on arm64 machine Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/core/pcm_native.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index bfe1cf6b492f..815396d8427f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3311,7 +3311,7 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
#ifndef ARCH_HAS_DMA_MMAP_COHERENT
/* This should be defined / handled globally! */
-#ifdef CONFIG_ARM
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
#define ARCH_HAS_DMA_MMAP_COHERENT
#endif
#endif