Re: [PATCH 0/5] firewire: use sleepable workqueue to handle 1394 OHCI IT/IR context events
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From: Takashi S. <o-t...@sa...> - 2024-09-05 13:12:21
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On Wed, Sep 04, 2024 at 09:58:19PM +0900, Takashi Sakamoto wrote: > Hi, > > (resend to linux1394-devel since the original post has so many > receivers. Please refer to it for any reply: > https://lore.kernel.org/lkml/202...@sa.../) > > This series of changes updates my previous RFT[1] to apply for v6.12 > kernel. For the detail, please refer to the previous one. > > To Iwai-san, this series includes the change for sound subsystem as > well. All of changes are specific to ALSA firewire stack, so I would > like to send it to Linus as the part of firewire subsystem updates if > you do not mind it. > > Changes from the RFT: > * WQ_FREEZABLE is newly supported in the workqueue > * Improve code comment in IEC 61883-1/6 packet streaming engine > * Avoid dead lock in the calls of workqueue sync API > > [1] https://lore.kernel.org/lkml/202...@sa.../ > > > Regards > > Takashi Sakamoto (5): > firewire: core: allocate workqueue to handle isochronous contexts in > card > firewire: core: add local API to queue work item to workqueue specific > to isochronous contexts > firewire: ohci: operate IT/IR events in sleepable work process instead > of tasklet softIRQ > firewire: core: non-atomic memory allocation for isochronous event to > user client > ALSA: firewire: use nonatomic PCM operation > > drivers/firewire/core-card.c | 33 ++++++++++++-- > drivers/firewire/core-cdev.c | 4 +- > drivers/firewire/core-iso.c | 30 ++++++++++++- > drivers/firewire/core.h | 14 +++++- > drivers/firewire/ohci.c | 57 +++++++++++++++++++----- > include/linux/firewire.h | 3 ++ > sound/firewire/amdtp-stream.c | 34 +++++++++++--- > sound/firewire/bebob/bebob_pcm.c | 1 + > sound/firewire/dice/dice-pcm.c | 1 + > sound/firewire/digi00x/digi00x-pcm.c | 1 + > sound/firewire/fireface/ff-pcm.c | 1 + > sound/firewire/fireworks/fireworks_pcm.c | 1 + > sound/firewire/isight.c | 1 + > sound/firewire/motu/motu-pcm.c | 1 + > sound/firewire/oxfw/oxfw-pcm.c | 1 + > sound/firewire/tascam/tascam-pcm.c | 1 + > 16 files changed, 157 insertions(+), 27 deletions(-) I applied all of them to for-next branch. Regards Takashi Sakamoto |