From: Richard Hirst <rhirst@linuxcare.com>
To: Paul Bame <bame@noam.fc.hp.com>
Cc: David Huggins-Daines <dhd@linuxcare.com>,
parisc-linux@thepuffingroup.com
Subject: Re: [parisc-linux] 2.4.0-test6 lack of speed
Date: Thu, 24 Aug 2000 14:46:17 +0100 [thread overview]
Message-ID: <20000824144617.K4060@linuxcare.com> (raw)
In-Reply-To: <E13RdXZ-0003Lz-00@noam.fc.hp.com>; from bame@noam.fc.hp.com on Wed, Aug 23, 2000 at 10:38:13AM -0600
On Wed, Aug 23, 2000 at 10:38:13AM -0600, Paul Bame wrote:
>
> jsm explained to me that the F?CE and P?TLBE instructions should
> only be used "for flushing the entire data or combined cache".
> The operands of F?CE/P?TLBE are "an implementation-dependent function
> of the effective address", essentially an opaque data type that
> varies per processor. The operand of F?C/P?TLB is a virtual address,
> so is the right thing to use for flushing a range of addresses.
OK, thanks. We use F?CE/P?TLBE in cache.h atm.
Richard
next prev parent reply other threads:[~2000-08-24 13:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-08-22 14:38 [parisc-linux] 2.4.0-test6 lack of speed Richard Hirst
2000-08-22 14:52 ` Richard Hirst
2000-08-22 15:50 ` Richard Hirst
2000-08-22 16:05 ` David Huggins-Daines
2000-08-23 16:23 ` Richard Hirst
2000-08-23 16:38 ` Paul Bame
2000-08-24 13:46 ` Richard Hirst [this message]
2000-08-29 21:23 ` Matthew Wilcox
2000-08-30 0:17 ` Matthew Wilcox
2000-08-30 8:15 ` Richard Hirst
2000-08-30 12:41 ` Richard Hirst
2000-08-30 10:15 ` Richard Hirst
2000-08-30 13:18 ` Matthew Wilcox
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=20000824144617.K4060@linuxcare.com \
--to=rhirst@linuxcare.com \
--cc=bame@noam.fc.hp.com \
--cc=dhd@linuxcare.com \
--cc=parisc-linux@thepuffingroup.com \
/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.