From: Ralf Baechle <ralf@oss.sgi.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: Justin Carlson <justinca@cs.cmu.edu>, linux-mips@oss.sgi.com
Subject: Re: __flush_cache_all() miscellany
Date: Wed, 29 May 2002 14:33:05 -0700 [thread overview]
Message-ID: <20020529143305.D888@dea.linux-mips.net> (raw)
In-Reply-To: <Pine.GSO.3.96.1020529222325.17584N-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Wed, May 29, 2002 at 11:00:21PM +0200
On Wed, May 29, 2002 at 11:00:21PM +0200, Maciej W. Rozycki wrote:
> I converted a few flush_cache_all() invocations to __flush_cache_all()
> where appropriate late last year, but the function is a bit older. I
> think you might dig the linux-kernel list archives for a discussion on the
> semantics of flush_cache_all() (it's a nop for many MIPS CPUs) and
> friends. The short description in Documentation/cachetlb.txt is a bit
> insufficient, I'm afraid.
I don't like that function very much; it's sort of a shotgun approach
to flushing caches in a part of the kernel that's not too performance
relevant. The whole interface sucks, should be replaced by something
more finegrained.
Ralf
next prev parent reply other threads:[~2002-05-29 21:31 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-29 16:50 __flush_cache_all() miscellany Justin Carlson
2002-05-29 19:26 ` Justin Carlson
2002-05-29 19:50 ` Maciej W. Rozycki
2002-05-29 20:20 ` Justin Carlson
2002-05-29 21:00 ` Maciej W. Rozycki
2002-05-29 21:33 ` Ralf Baechle [this message]
2002-05-29 21:46 ` Maciej W. Rozycki
2002-05-29 22:46 ` Ralf Baechle
2002-05-29 22:59 ` Justin Carlson
2002-05-29 23:24 ` Jun Sun
2002-06-03 17:23 ` Maciej W. Rozycki
2002-05-29 21:03 ` Kevin D. Kissell
2002-05-29 21:03 ` Kevin D. Kissell
2002-05-29 21:28 ` Ralf Baechle
2002-05-29 21:09 ` Ralf Baechle
2002-05-29 21:07 ` Ralf Baechle
2002-05-30 12:31 ` Florian Laws
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=20020529143305.D888@dea.linux-mips.net \
--to=ralf@oss.sgi.com \
--cc=justinca@cs.cmu.edu \
--cc=linux-mips@oss.sgi.com \
--cc=macro@ds2.pg.gda.pl \
/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