From: "H. Peter Anvin" <hpa@zytor.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Alexey Dobriyan <adobriyan@gmail.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Yinghai Lu <yinghai@kernel.org>
Subject: Re: next-20081030: voyager compile busted
Date: Thu, 30 Oct 2008 14:50:53 -0700 [thread overview]
Message-ID: <490A2C3D.4020202@zytor.com> (raw)
In-Reply-To: <1225403266.19324.42.camel@localhost.localdomain>
James Bottomley wrote:
>
> Yes ... been having IRC conversations about that. We'd need to use
> runtime patching to fix the performance regressions virtualisation has
> been causing us first ... but then we could use it for voyager.
>
I thought we already were, at least to some degree (the call sites are
way too big and way bigger than they need to be, so we end up with a lot
of NOPs. I proposed a solution to Jeremy at Kernel Summit, but he
basically said "I don't want to maintain that, I don't care about
hardware performance", which is understandable but highly unfortunate.)
-hpa
next prev parent reply other threads:[~2008-10-30 21:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-30 6:30 linux-next: Tree for October 30 Stephen Rothwell
2008-10-30 18:03 ` next-20081030: voyager compile busted Alexey Dobriyan
2008-10-30 20:24 ` James Bottomley
2008-10-30 20:52 ` Ingo Molnar
2008-10-30 20:58 ` James Bottomley
2008-10-30 21:07 ` Ingo Molnar
2008-10-30 21:21 ` James Bottomley
2008-10-30 21:42 ` H. Peter Anvin
2008-10-30 21:47 ` James Bottomley
2008-10-30 21:50 ` H. Peter Anvin [this message]
2008-10-30 22:40 ` Ingo Molnar
2008-10-31 17:42 ` James Bottomley
2008-10-30 21:24 ` Alexey Dobriyan
2008-10-30 23:42 ` Tony Breeds
2008-10-30 23:55 ` linux-next: Tree for October 30 Randy Dunlap
2008-10-31 6:25 ` Greg KH
2008-10-31 16:40 ` Greg KH
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=490A2C3D.4020202@zytor.com \
--to=hpa@zytor.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=adobriyan@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=sfr@canb.auug.org.au \
--cc=tglx@linutronix.de \
--cc=yinghai@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 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.