From: Matthew Wilcox <willy-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
To: "Grover, Andrew" <andrew.grover-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Re: Re: DSDT in initrd
Date: Wed, 28 May 2003 22:46:09 +0100 [thread overview]
Message-ID: <20030528214609.GR15709@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <F760B14C9561B941B89469F59BA3A84725A2C3-sBd4vmA9Se4Lll3ZsUKC9FDQ4js95KgL@public.gmane.org>
On Wed, May 28, 2003 at 01:27:40PM -0700, Grover, Andrew wrote:
> I'm trying to understand how for example a hi-perf nic driver
> performs the same when modularized but subarch stuff wouldn't, when I'm
> assuming it would just be like a "driver" for the particular
> peculiarities of the platform.
A common fallacy. There's a noticable performance loss when a driver
is compiled as a module, and it mostly has to do with the fact that
drivers are loaded into vmalloc space so they consume TLBs (rather than
being part of the kernel's 4MB mapping).
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
-------------------------------------------------------
This SF.net email is sponsored by: eBay
Get office equipment for less on eBay!
http://adfarm.mediaplex.com/ad/ck/711-11697-6916-5
next prev parent reply other threads:[~2003-05-28 21:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-28 20:27 Re: Re: DSDT in initrd Grover, Andrew
[not found] ` <F760B14C9561B941B89469F59BA3A84725A2C3-sBd4vmA9Se4Lll3ZsUKC9FDQ4js95KgL@public.gmane.org>
2003-05-28 20:36 ` Pavel Machek
2003-05-28 21:46 ` Matthew Wilcox [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-05-28 18:31 Grover, Andrew
[not found] ` <F760B14C9561B941B89469F59BA3A847E96EE6-sBd4vmA9Se4Lll3ZsUKC9FDQ4js95KgL@public.gmane.org>
2003-05-28 19:01 ` Pavel Machek
2003-05-22 7:48 Grover, Andrew
[not found] ` <F760B14C9561B941B89469F59BA3A84725A2B3-sBd4vmA9Se4Lll3ZsUKC9FDQ4js95KgL@public.gmane.org>
2003-05-22 8:04 ` Mark Santcroos
[not found] ` <20030522080420.GA634-ScjxTogt4I4lGuH5DXb43w@public.gmane.org>
2003-05-24 4:51 ` M. Warner Losh
2003-05-22 11:40 ` Alan Cox
[not found] ` <1053603651.2541.10.camel-2MMpYkNvuYAXoXS6vNje7nviChZXdy279dF7HbQ/qKg@public.gmane.org>
2003-05-22 13:31 ` Ducrot Bruno
[not found] ` <20030522133132.GJ346-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
2003-05-22 16:07 ` Russell Coker
2003-05-24 7:32 ` Pavel Machek
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=20030528214609.GR15709@parcelfarce.linux.theplanet.co.uk \
--to=willy-8fiuurrzop0dnm+yrofe0a@public.gmane.org \
--cc=acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
--cc=andrew.grover-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=pavel-+ZI9xUNit7I@public.gmane.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