Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1673052

Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations

From Logan Gunthorpe <logang@deltatee.com>
Newsgroups linux.kernel
Subject Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations
Date 2017-06-22 23:20 +0200
Message-ID <tVhGa-1D5-1@gated-at.bofh.it> (permalink)
References <tVdsS-7hT-17@gated-at.bofh.it> <tVdCA-7lD-69@gated-at.bofh.it> <tVgAp-Xd-9@gated-at.bofh.it> <tVgK5-10A-7@gated-at.bofh.it> <tVhwu-1xP-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

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

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Logan Gunthorpe <logang@deltatee.com> - 2017-06-22 19:00 +0200
  Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations "Stephen  Bates" <sbates@raithlin.com> - 2017-06-22 19:30 +0200
    Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Logan Gunthorpe <logang@deltatee.com> - 2017-06-22 19:40 +0200
  Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64  implementations Alan Cox <gnomes@lxorguk.ukuu.org.uk> - 2017-06-22 22:10 +0200
    Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Logan Gunthorpe <logang@deltatee.com> - 2017-06-22 22:20 +0200
      Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Arnd Bergmann <arnd@arndb.de> - 2017-06-22 23:10 +0200
        Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Logan Gunthorpe <logang@deltatee.com> - 2017-06-22 23:20 +0200
  Re: [PATCH 4/7] alpha: provide ioread64 and iowrite64 implementations Richard Henderson <rth@twiddle.net> - 2017-06-22 23:30 +0200

csiph-web