From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francois Romieu Subject: Re: [PATCH net-next] r8169:Place dma_alloc_coherent on interrupt context Date: Thu, 30 Jul 2015 22:59:09 +0200 Message-ID: <20150730205909.GA7888@electric-eye.fr.zoreil.com> References: <1438284801-4188-1-git-send-email-corcodel.marian@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Corcodel Marian Return-path: Received: from violet.fr.zoreil.com ([92.243.8.30]:55631 "EHLO violet.fr.zoreil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751703AbbG3U71 (ORCPT ); Thu, 30 Jul 2015 16:59:27 -0400 Content-Disposition: inline In-Reply-To: <1438284801-4188-1-git-send-email-corcodel.marian@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Corcodel Marian : > 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