From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Why VHPT is disabled in the default configuration?
Date: Thu, 09 Aug 2001 03:09:45 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590698805047@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590698805045@msgid-missing>
>>>>> On Thu, 9 Aug 2001 09:50:51 +0900, "MAEDA Naoaki" <maeda.naoaki@nifty.com> said:
Naoaki> Hi, Dose anybody know why CONFIG_DISABLE_VHPT flag is set in
Naoaki> the default kernel configuration?
Naoaki> I have tested the VHPT enabled kernel that shows better
Naoaki> memory bandwidth and latency performance. If there are no
Naoaki> concerns enabling the VHPT feature, it should be enabled in
Naoaki> default, I think.
Yes, the VHPT should be enabled on recent CPUs (B3 or newer, IIRC).
But you shouldn't assume that the default configuration included in
the source code contains anything sensible.
--david
prev parent reply other threads:[~2001-08-09 3:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-09 0:50 [Linux-ia64] Why VHPT is disabled in the default configuration? MAEDA Naoaki
2001-08-09 3:09 ` David Mosberger [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=marc-linux-ia64-105590698805047@msgid-missing \
--to=davidm@hpl.hp.com \
--cc=linux-ia64@vger.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