From: Ingo Molnar <mingo@kernel.org>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: Toshi Kani <toshi.kani@hpe.com>, Toshi Kani <toshi.kani@hp.com>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Dave Airlie <airlied@redhat.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-arch@vger.kernel.org, X86 ML <x86@kernel.org>,
Daniel Vetter <daniel.vetter@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Borislav Petkov <bp@alien8.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@kernel.org>,
Brian Gerst <brgerst@gmail.com>,
Dennis Dalessandro <dennis.dalessandro@intel.com>,
Andy Walls <awalls@md.metrocast.net>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: Overlapping ioremap() calls, set_memory_*() semantics
Date: Sat, 5 Mar 2016 12:42:29 +0100 [thread overview]
Message-ID: <20160305114229.GB7259@gmail.com> (raw)
In-Reply-To: <CAB=NE6VFGUjDToW5zHgXOgfm9y77DGePe+mGAj=jvHEb8bHcGA@mail.gmail.com>
* Luis R. Rodriguez <mcgrof@kernel.org> wrote:
> On Fri, Mar 4, 2016 at 10:18 AM, Toshi Kani <toshi.kani@hpe.com> wrote:
> > On Fri, 2016-03-04 at 10:44 +0100, Ingo Molnar wrote:
> >> * Luis R. Rodriguez <mcgrof@kernel.org> wrote:
> >>
> >> Could you outline a specific case where it's done intentionally - and the
> >> purpose behind that intention?
> >
> > The term "overlapping" is a bit misleading.
>
> To the driver author its overlapping, its overlapping on the physical address.
Guys please stop this crazy talk - when the same physical address is mapped to
multiple virtual addresses is called 'aliasing' - the term 'overlapping' is used
when memory ranges overlap ...
Thanks,
Ingo
next prev parent reply other threads:[~2016-03-05 11:42 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 21:28 Overlapping ioremap() calls, set_memory_*() semantics Luis R. Rodriguez
2016-03-04 9:44 ` Ingo Molnar
2016-03-04 18:18 ` Toshi Kani
2016-03-04 18:51 ` Luis R. Rodriguez
2016-03-04 21:39 ` Toshi Kani
2016-03-05 11:42 ` Ingo Molnar [this message]
2016-03-05 11:40 ` Ingo Molnar
2016-03-07 17:03 ` Toshi Kani
2016-03-08 12:16 ` Ingo Molnar
2016-03-09 0:29 ` Toshi Kani
2016-03-09 9:15 ` Ingo Molnar
2016-03-11 22:13 ` Toshi Kani
2016-03-16 1:45 ` Luis R. Rodriguez
2016-03-16 1:45 ` Luis R. Rodriguez
2016-03-16 1:45 ` Luis R. Rodriguez
2016-03-17 22:44 ` Toshi Kani
2016-04-13 21:16 ` Luis R. Rodriguez
2016-04-15 14:47 ` Toshi Kani
2016-04-16 9:20 ` Ingo Molnar
2016-03-21 17:38 ` Maciej W. Rozycki
2016-04-13 21:03 ` Luis R. Rodriguez
2016-03-11 6:47 ` Andy Lutomirski
2016-03-11 22:36 ` Toshi Kani
2016-03-13 1:02 ` Andy Lutomirski
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=20160305114229.GB7259@gmail.com \
--to=mingo@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=airlied@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=awalls@md.metrocast.net \
--cc=benh@kernel.crashing.org \
--cc=bp@alien8.de \
--cc=brgerst@gmail.com \
--cc=daniel.vetter@intel.com \
--cc=dennis.dalessandro@intel.com \
--cc=hpa@zytor.com \
--cc=julia.lawall@lip6.fr \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mcgrof@kernel.org \
--cc=mchehab@osg.samsung.com \
--cc=paulmck@linux.vnet.ibm.com \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=toshi.kani@hp.com \
--cc=toshi.kani@hpe.com \
--cc=x86@kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.