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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

  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

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