From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758728AbeD0Q23 (ORCPT ); Fri, 27 Apr 2018 12:28:29 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:43484 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757716AbeD0Q21 (ORCPT ); Fri, 27 Apr 2018 12:28:27 -0400 Date: Fri, 27 Apr 2018 09:28:22 -0700 From: Matthew Wilcox To: "Luis R. Rodriguez" Cc: Christoph Hellwig , linux-mm@kvack.org, mhocko@kernel.org, cl@linux.com, Jan Kara , matthew@wil.cx, x86@kernel.org, luto@amacapital.net, martin.petersen@oracle.com, jthumshirn@suse.de, broonie@kernel.org, Juergen Gross , linux-spi@vger.kernel.org, Joerg Roedel , linux-scsi@vger.kernel.org, Dan Carpenter , linux-kernel@vger.kernel.org, "lsf-pc@lists.linux-foundation.org" Subject: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love Message-ID: <20180427162822.GE8161@bombadil.infradead.org> References: <20180426215406.GB27853@wotan.suse.de> <20180427053556.GB11339@infradead.org> <20180427161456.GD27853@wotan.suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180427161456.GD27853@wotan.suse.de> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 27, 2018 at 04:14:56PM +0000, Luis R. Rodriguez wrote: > > Not really. We have unchecked_isa_dma to support about 4 drivers, > > Ah very neat: > > * CONFIG_CHR_DEV_OSST - "SCSI OnStream SC-x0 tape support" That's an upper level driver, like cdrom, disk and regular tapes. > * CONFIG_SCSI_ADVANSYS - "AdvanSys SCSI support" If we ditch support for the ISA boards, this can go away. > * CONFIG_SCSI_AHA1542 - "Adaptec AHA1542 support" Probably true. > * CONFIG_SCSI_ESAS2R - "ATTO Technology's ExpressSAS RAID adapter driver" That's being set to 0. You missed BusLogic.c and gdth.c