On Wed, Mar 21, 2018 at 09:46:56PM -0400, Frank Mori Hess wrote: > Hi Linux serial maintainers, > > There appears to be a bug in 8250_dma.c where __dma_rx_complete is > passed to the dmaengine as the completion callback for rx dma. > __dma_rx_complete does not lock the port spinlock (since it is also > called in contexts where the lock is already held). So a wrapper > around __dma_rx_complete which does lock the port spinlock should be > used as the completion callback instead. Can you write up a patch for this? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
