On 8/26/21 1:30 PM, Mark Brown wrote: > From: Mark Brown,,, <broonie@xxxxxxxxxx> > > On Tue, 17 Aug 2021 11:40:53 -0500, Pierre-Louis Bossart wrote: >> When more than one FE is connected to a BE, e.g. in a mixing use case, >> the BE can be triggered multiple times when the FE are opened/started >> concurrently. This race condition is problematic in the case of >> SoundWire BE dailinks, and this is not desirable in a general >> case. The code carefully checks when the BE can be stopped or >> hw_free'ed, but the trigger code does not use any mutual exclusion. >> >> [...] > > Applied, thanks! > > [1/2] ASoC: soc-pcm: protect BE dailink state changes in trigger > commit: 0c75fc7193387776c10f7c7b440d93496e3d5e21 > [2/2] ASoC: soc-pcm: test refcount before triggering > commit: 6479f7588651cbc9c91e61c20ff39119cbc8feba Ah sorry, there were still some issues in this RFC, we did more testing and came up with a lot of improvements. The intent of the RFC status was also to make sure it wasn't applied before the merge window. Can this be reverted in your branch Mark?