From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>,
Jeff Garzik <jeff@garzik.org>, Mike Houston <mikeserv@bmts.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.22-rc2
Date: Tue, 22 May 2007 10:54:12 -0700 [thread overview]
Message-ID: <46532E44.4000701@zytor.com> (raw)
In-Reply-To: <alpine.LFD.0.98.0705212153220.3890@woody.linux-foundation.org>
Linus Torvalds wrote:
>
> I can't really see that being a real problem in this day and age of PCI-X
> etc, but it _used_ to be a possible issue a decade ago. Maybe you've found
> a case where it matters even on modern hardware? We occasionally used to
> set the PCI latency timer to make people happy.
>
> (Not that I'm convinced it even has any semantic meaning on a modern PCI
> system..)
>
The PCI latency counters matter as long as you're talking a PCI or PCI-X
bus. It matters not one iota on anything that pretends to be a PCI bus
but isn't, i.e. PCI Express, HyperTransport, etc.
-hpa
next prev parent reply other threads:[~2007-05-22 17:55 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-19 5:17 Linux 2.6.22-rc2 Linus Torvalds
2007-05-19 6:54 ` Andrey Borzenkov
2007-05-19 14:28 ` [BUG: 2.6.22-rc2] SLAB doesn't like usb_get_configuration() Indan Zupancic
[not found] ` <6101e8c40705190950jb093d65l611995895a182ec0@mail.gmail.com>
2007-05-19 16:51 ` Fwd: " oliver pinter
2007-05-19 18:20 ` Christoph Lameter
2007-05-19 19:33 ` Greg KH
2007-05-19 22:10 ` Indan Zupancic
2007-05-20 12:57 ` Linux 2.6.22-rc2: make -j makes it unresponsive Rafael J. Wysocki
2007-05-20 13:01 ` Krzysztof Halasa
2007-05-20 13:23 ` Rafael J. Wysocki
2007-05-20 21:05 ` Linux 2.6.22-rc2 Mike Houston
2007-05-21 15:45 ` Stephen Hemminger
2007-05-21 17:10 ` Mike Houston
2007-05-21 17:37 ` Stephen Hemminger
2007-05-22 2:58 ` Mike Houston
2007-05-22 4:31 ` Stephen Hemminger
2007-05-22 4:36 ` Jeff Garzik
2007-05-22 4:42 ` Stephen Hemminger
2007-05-22 5:04 ` Linus Torvalds
2007-05-22 17:19 ` Stephen Hemminger
2007-05-22 17:54 ` H. Peter Anvin [this message]
2007-05-22 22:14 ` Mike Houston
2007-05-23 0:00 ` Linus Torvalds
2007-05-23 0:29 ` Stephen Hemminger
2007-05-23 1:53 ` Linus Torvalds
2007-05-23 14:58 ` Stephen Hemminger
2007-05-23 17:39 ` Mike Houston
2007-05-23 17:46 ` Linus Torvalds
2007-05-23 18:04 ` Stephen Hemminger
2007-05-24 18:26 ` Mike Houston
2007-05-24 22:08 ` sky2/pci issues on Gigabyte Stephen Hemminger
2007-05-24 22:48 ` Linus Torvalds
2007-05-24 23:04 ` Stephen Hemminger
2007-05-25 0:01 ` Mike Houston
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=46532E44.4000701@zytor.com \
--to=hpa@zytor.com \
--cc=jeff@garzik.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mikeserv@bmts.com \
--cc=shemminger@linux-foundation.org \
--cc=torvalds@linux-foundation.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 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.