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Julia Lawall fcb2954b96 ALSA: sound/isa: convert nested spin_lock_irqsave to spin_lock ... If spin_lock_irqsave is called twice in a row with the same second argument, the interrupt state at the point of the second call overwrites the value saved by the first call. Indeed, the second call does not need to save the interrupt state, so it is changed to a simple spin_lock. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression lock1,lock2; expression flags; @@ *spin_lock_irqsave(lock1,flags) ... when != flags *spin_lock_irqsave(lock2,flags) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Takashi Iwai <tiwai@suse.de>		16 years ago
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Makefile	…
gus_dma.c	…
gus_dram.c	…
gus_instr.c	…
gus_io.c	…
gus_irq.c	…
gus_main.c	…
gus_mem.c	…
gus_mem_proc.c	…
gus_mixer.c	…
gus_pcm.c	ALSA: sound/isa: convert nested spin_lock_irqsave to spin_lock	16 years ago
gus_reset.c	…
gus_tables.h	…
gus_timer.c	…
gus_uart.c	…
gus_volume.c	…
gusclassic.c	…
gusextreme.c	ALSA: Add missing __devexit_p() markers	16 years ago
gusmax.c	…
interwave-stb.c	…
interwave.c	Merge branch 'topic/snd_card_new-err' into topic/cs423x-merge	16 years ago