From: Ralf Baechle <ralf@linux-mips.org>
To: ashish anand <ashish_ibm@rediffmail.com>
Cc: linux-mips@linux-mips.org
Subject: Re: running purely uncached ..
Date: Thu, 1 May 2003 21:26:25 +0200 [thread overview]
Message-ID: <20030501212625.A17635@linux-mips.org> (raw)
In-Reply-To: <20030501143241.1494.qmail@webmail35.rediffmail.com>; from ashish_ibm@rediffmail.com on Thu, May 01, 2003 at 02:32:41PM -0000
On Thu, May 01, 2003 at 02:32:41PM -0000, ashish anand wrote:
> in my kernel source tree i observed in arch/mips/mm/r4xx0.c though
> there are other support routines for flush , invalidate and maintain
> the cache consistency ..but there is no mention of running purely
> uncached using the old style code CONFIG_MIPS_UNCACHED or otherwise.
CONFIG_MIPS_UNCACHED still exists but it's only selectable when SMP
support is disabled.
Usual warning applies - running uncached is not well supported and is
extremly slow. It is mostly intended for hardware people who need to
observe all actions of the processor externally.
Ralf
prev parent reply other threads:[~2003-05-01 19:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-01 14:32 running purely uncached ashish anand
2003-05-01 19:26 ` Ralf Baechle [this message]
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=20030501212625.A17635@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=ashish_ibm@rediffmail.com \
--cc=linux-mips@linux-mips.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