From mboxrd@z Thu Jan 1 00:00:00 1970 From: He Zhe Subject: Re: [PATCH v2] kernel/dma: Fix panic caused by passing swiotlb to command line Date: Fri, 11 Jan 2019 09:46:12 +0800 Message-ID: <1cef7480-0838-c044-9bca-9b7adacb0f17@windriver.com> References: <1543832571-121638-1-git-send-email-zhe.he@windriver.com> <20190107090702.GA14033@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: konrad-Gq0aWv8utHQdnm+yROfE0A@public.gmane.org, Christoph Hellwig Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Konrad Rzeszutek Wilk List-Id: iommu@lists.linux-foundation.org On 1/11/19 1:27 AM, Konrad Rzeszutek Wilk wrote: > Let's skip it. There was another patch that would allocate a default 4MB size if it there was an misue of swiotlb parameters. But this patch mainly fixes a crash. Could you please point me to the patch you mentioned? Thanks, Zhe > > > > On Mon, Jan 7, 2019, 4:07 AM Christoph Hellwig wrote: > > On Mon, Jan 07, 2019 at 04:46:51PM +0800, He Zhe wrote: > > Kindly ping. > > Konrad, I'll pick this up through the DMA mapping tree unless you > protest in the next few days. >