From: Ralf Baechle <ralf@linux-mips.org>
To: Mohamed Bamakhrama <bamakhrama@gmail.com>
Cc: linux-mips@linux-mips.org
Subject: Re: Context switches & interrupts affecting cache?
Date: Fri, 3 Aug 2007 13:40:23 +0100 [thread overview]
Message-ID: <20070803124023.GA16519@linux-mips.org> (raw)
In-Reply-To: <40378e40708030359h3729e4b1m5390c258b29d6ae0@mail.gmail.com>
On Fri, Aug 03, 2007 at 12:59:41PM +0200, Mohamed Bamakhrama wrote:
> Hi all,
> I have one question regarding context switches between user and kernel
> modes and interrupts. Do they invalidate the I-cache or D-cache?
Never on MIPS.
I call an architecture that would require a cacheflush for such a
context switch totally broken and yes, they exist - but nothing from
the MIPS family.
Ralf
next prev parent reply other threads:[~2007-08-03 12:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-03 10:59 Context switches & interrupts affecting cache? Mohamed Bamakhrama
2007-08-03 12:40 ` Ralf Baechle [this message]
2007-08-03 12:51 ` Mohamed Bamakhrama
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=20070803124023.GA16519@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=bamakhrama@gmail.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