On Mon, May 15, 2017 at 07:44:29PM +0530, Subhransu S. Prusty wrote: > From: Pardha Saradhi K <pardha.saradhi.kesapragada@xxxxxxxxx> > > In SKL+ platforms, all IPC commands are serialised, i.e. the driver sends > a new IPC to DSP, only after receiving a reply from the firmware for the > current IPC. > > Hence it seems apparent that there is only a single modifier of the IPC RX > List. However, during an IPC timeout case in a multithreaded environment, > there is a possibility of the list element being deleted two times if not > properly protected. > > So, use spin lock save/restore to prevent rx_list corruption. Looks good, all three: Acked-by: Vinod Koul <vinod.koul@xxxxxxxxx> -- ~Vinod _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
