From: Christopher Lameter <cl@linux.com>
To: Dennis Zhou <dennis@kernel.org>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
Ben Dooks <ben.dooks@codethink.co.uk>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
Tejun Heo <tj@kernel.org>, Nicholas Piggin <npiggin@gmail.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH] fix __percpu annotation in asm-generic
Date: Mon, 2 Dec 2019 19:42:21 +0000 (UTC) [thread overview]
Message-ID: <alpine.DEB.2.21.1912021939320.2675@www.lameter.com> (raw)
In-Reply-To: <20191202190718.GA18019@dennisz-mbp>
On Mon, 2 Dec 2019, Dennis Zhou wrote:
> I think typeof_cast_kernel() or typeof_force_kernel() are reasonable
> names. I kind of like the idea of cast/force over strip because we're
> really still moving address spaces even if it is moving it back.
I vote for typeof_cast_kernel()...
percpu addresses are more like an alias.... or more precisely an offset to
a base pointer (that already belongs to a certain "address space") and we
use the notion of a distinctly different "address space" in the linker to
categorize these references.
next prev parent reply other threads:[~2019-12-02 19:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 20:06 [PATCH] fix __percpu annotation in asm-generic Luc Van Oostenryck
2019-11-27 15:55 ` Christopher Lameter
2019-11-27 17:53 ` Dennis Zhou
2019-11-27 22:54 ` Luc Van Oostenryck
2019-11-29 18:11 ` Christopher Lameter
2019-11-30 0:00 ` Luc Van Oostenryck
2019-12-02 19:07 ` Dennis Zhou
2019-12-02 19:42 ` Christopher Lameter [this message]
2019-12-03 3:01 ` Luc Van Oostenryck
2020-03-24 4:13 ` Jason A. Donenfeld
2020-03-24 6:44 ` Luc Van Oostenryck
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=alpine.DEB.2.21.1912021939320.2675@www.lameter.com \
--to=cl@linux.com \
--cc=arnd@arndb.de \
--cc=ben.dooks@codethink.co.uk \
--cc=dennis@kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luc.vanoostenryck@gmail.com \
--cc=npiggin@gmail.com \
--cc=tj@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 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).