From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ale.deltatee.com (ale.deltatee.com. [207.54.116.67]) by gmr-mx.google.com with ESMTPS id f18si232141itf.3.2017.06.22.14.10.34 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Jun 2017 14:10:34 -0700 (PDT) References: <20170622164817.25515-1-logang@deltatee.com> <20170622164817.25515-5-logang@deltatee.com> <20170622210828.27304f6a@alans-desktop> <401cdb64-6fdb-be30-b8bc-bf51c1a35074@deltatee.com> From: Logan Gunthorpe Message-ID: <3ae2d934-1054-cdd1-7eaa-e9758276cf51@deltatee.com> Date: Thu, 22 Jun 2017 15:10:20 -0600 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations To: Arnd Bergmann Cc: Alan Cox , Linux Kernel Mailing List , linux-arch , linux-ntb@googlegroups.com, linux-alpha@vger.kernel.org, linuxppc-dev , linux-crypto@vger.kernel.org, dri-devel , Greg Kroah-Hartman , Stephen Bates , Richard Henderson , Ivan Kokshaysky , Matt Turner List-ID: On 6/22/2017 3:03 PM, Arnd Bergmann wrote: > Drivers that want a non-atomic variant should include either > include/linux/io-64-nonatomic-hi-lo.h or include/linux/io-64-nonatomic-lo-hi.h > depending on what they need. Drivers that require 64-bit I/O should > probably just depend on CONFIG_64BIT and maybe use readq/writeq. Ok, I will work something like that up. We'll still need a patch similar to patch 2 (less the non-atomic versions) seeing even CONFIG_GENERIC_IOMAP arches don't actually have a working ioread64/iowrite64 implementation. Thanks, Logan