From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Cc: Santosh Shukla
<santosh.shukla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] drivers/char/mem.c: Add /dev/ioports, supporting 16-bit and 32-bit ports
Date: Tue, 22 Dec 2015 23:11:37 +0100 [thread overview]
Message-ID: <201512222311.37683.arnd@arndb.de> (raw)
In-Reply-To: <1592CC7D-B2F2-4E8B-BB90-4A20682B1FEE-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
On Tuesday 22 December 2015, H. Peter Anvin wrote:
> On that subject, shouldn't we have common infrastructure to deal with memory
> mapped I/O ports in the kernel? Or do we have that now? I obviously don't
> pay too much attention...
We don't have it at the moment, though some of the code that we introduced
for arm64 is defined in common code, just not shared with anything else.
Changing other architectures over to use this is painful and gains the
architectures very little, so I doubt it is going to happen.
Arnd
next prev parent reply other threads:[~2015-12-22 22:11 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 19:19 [PATCH] drivers/char/mem.c: Add /dev/ioports, supporting 16-bit and 32-bit ports Josh Triplett
2014-05-09 19:21 ` [PATCH] mem.4, ioports.4: Document /dev/ioports Josh Triplett
2014-05-13 8:27 ` Michael Kerrisk (man-pages)
2014-05-09 19:58 ` [PATCH] drivers/char/mem.c: Add /dev/ioports, supporting 16-bit and 32-bit ports Arnd Bergmann
2014-05-09 20:54 ` H. Peter Anvin
2014-05-09 21:12 ` Arnd Bergmann
2014-05-09 21:20 ` H. Peter Anvin
[not found] ` <536D46AD.3070608-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-09 22:38 ` Josh Triplett
2014-05-13 22:10 ` H. Peter Anvin
[not found] ` <53729873.2030805-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 21:56 ` josh-iaAMLnmF4UmaiuxdJuQwMA
2014-05-19 12:36 ` Arnd Bergmann
2014-05-28 21:41 ` H. Peter Anvin
[not found] ` <53865820.7010309-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-29 9:26 ` Arnd Bergmann
2014-05-29 13:38 ` H. Peter Anvin
[not found] ` <5387385B.1030203-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-30 11:32 ` Arnd Bergmann
2015-12-22 10:52 ` Santosh Shukla
[not found] ` <CA+iXiiN8xFaiz6DwyLfWRFZ81pJZf=Fv1E60VZC-iSNPswaGEQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-22 21:56 ` Arnd Bergmann
2015-12-22 22:02 ` H. Peter Anvin
[not found] ` <1592CC7D-B2F2-4E8B-BB90-4A20682B1FEE-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2015-12-22 22:11 ` Arnd Bergmann [this message]
2015-12-23 11:34 ` Santosh Shukla
[not found] ` <CA+iXiiOsbC0MBaRwc5JgaTVRpdxHub5t2T=LrGaVN1AjKpiJgA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-29 13:28 ` Arnd Bergmann
2015-12-29 15:53 ` Santosh Shukla
[not found] ` <CA+iXiiNKiMz=9BJgu3g=LggXjTv61Uwu+ibNfKeih3rK328LSQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-29 15:55 ` Santosh Shukla
[not found] ` <CA+iXiiM+TrciHROfgTcN01mfGEYuUCvpNRU0Qqgrt56VdCcR8Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-29 16:20 ` Arnd Bergmann
2015-12-29 16:30 ` Santosh Shukla
[not found] ` <CAAyOgsYuMWudLgbSNM+QAkSXpU_fp6Ue01r=Ufmf5MXUHMs4UQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-29 17:31 ` Alex Williamson
[not found] ` <1451410269.18084.15.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-12-31 9:33 ` Santosh Shukla
[not found] ` <CAAyOgsaxEaQ5+BW6Rwmz4cEuzVUdswZAWyF0OrbdPpXduwESYg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-31 15:41 ` Alex Williamson
2016-01-07 9:31 ` Santosh Shukla
2014-05-10 7:07 ` Jann Horn
[not found] ` <20140510070742.GE6099-7cfQGs147y6a6lf8Wg2v7Z5kstrrjoWp@public.gmane.org>
2014-05-10 19:32 ` Josh Triplett
2014-05-11 12:50 ` Jann Horn
[not found] ` <20140511125006.GA16197-7cfQGs147y6a6lf8Wg2v7Z5kstrrjoWp@public.gmane.org>
2014-05-11 21:05 ` Josh Triplett
2014-06-01 10:35 ` Maciej W. Rozycki
2014-06-04 22:59 ` H. Peter Anvin
[not found] ` <538FA4C7.2050206-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-06-06 9:02 ` Maciej W. Rozycki
2014-05-10 17:18 ` Greg Kroah-Hartman
[not found] ` <20140510171845.GA799-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-05-10 19:36 ` Josh Triplett
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201512222311.37683.arnd@arndb.de \
--to=arnd-r2ngtmty4d4@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org \
--cc=hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org \
--cc=josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org \
--cc=linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=santosh.shukla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).