From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 0/4] dma-debug: implement dynamic entry allocation Date: Mon, 3 Dec 2018 18:34:12 +0100 Message-ID: <20181203173412.GA8509@lst.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Robin Murphy Cc: hch@lst.de, m.szyprowski@samsung.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, cai@gmx.us, salil.mehta@huawei.com, john.garry@huawei.com List-Id: iommu@lists.linux-foundation.org On Mon, Dec 03, 2018 at 05:28:05PM +0000, Robin Murphy wrote: > The HNS_ENET discussion got me thinking, why not just make DMA debug > cleverer so that (in terms of basic functionality at least) we don't > need to worry about driver- or arch-specific configuration at all? > > Patches #2 and #3 are the real meat here - #1 is just some preparatory > cleanup motivated by moving printks around, and could be split out if > desired; I kept #4 separate as a possible nice-to-have depending on > what people think. Hah, I just thought of this and suggested it a few seconds ago. So obviously I think it is a good idea, but let me look at the details.