Re: [PATCH net-next] r8169:Place dma_alloc_coherent on interrupt context
From: Francois Romieu <romieu@fr.zoreil.com>
Date: 2015-07-30 20:59:27
From: Francois Romieu <romieu@fr.zoreil.com>
Date: 2015-07-30 20:59:27
Corcodel Marian [off-list ref] :
According to this doc https://www.kernel.org/doc/Documentation/DMA-API.txt dma_alloc_coherent must run on interrupt context, and flush the chip before use.
You have misunderstood what an irq context is. -- Ueimor