From mboxrd@z Thu Jan 1 00:00:00 1970 From: "hch@lst.de" Date: Sat, 19 May 2018 06:38:57 +0000 Subject: Re: [PATCH 02/20] dma-mapping: provide a generic dma-noncoherent implementation Message-Id: <20180519063857.GA18076@lst.de> List-Id: References: <20180511075945.16548-1-hch@lst.de> <20180511075945.16548-3-hch@lst.de> <0c5d27e9-2799-eb38-8b09-47a04c48b5c7@gmx.de> In-Reply-To: <0c5d27e9-2799-eb38-8b09-47a04c48b5c7-Mmb7MZpHnFY@public.gmane.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Helge Deller Cc: "linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "monstr-pSz03upnqPeHXe+LvDLADg@public.gmane.org" , "linux-snps-arc-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-c6x-dev-jPsnJVOj+W6hPH1hqNUYSQ@public.gmane.org" , "linux-parisc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-hexagon-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Alexey Brodkin , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , James Bottomley , "linux-m68k-cunTk1MwBs8S/qaLPR03pWD2FQJk+8+b@public.gmane.org" , "openrisc-cunTk1MwBs9a3B2Vnqf2dGD2FQJk+8+b@public.gmane.org" , "green.hu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , "linux-alpha-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" On Fri, May 18, 2018 at 10:05:51PM +0200, Helge Deller wrote: > This patch seems to fix the dma issues I faced on my 32bit B160L parisc box. > > So it leaves only one open issue on parisc: > Now every 32 bit parisc system is unnecessarily non-coherent. I diagree with those comments, let me resend the refactored patch to make it more clear.