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Message-id: <200802261303.51777.yinghai.lu@sun.com>
Date: Tue, 26 Feb 2008 13:03:50 -0800
From: Yinghai Lu <Yinghai.Lu@....COM>
To: Sam Ravnborg <sam@...nborg.org>
Cc: Ingo Molnar <mingo@...e.hu>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
kiran@...lemp.com, shai@...lemp.com,
Glauber Costa <gcosta@...hat.com>
Subject: Re: [PATCH] x86: vSMP selection in config
On Tuesday 26 February 2008 12:05:12 pm Sam Ravnborg wrote:
> On Sun, Feb 24, 2008 at 10:43:49PM -0800, Yinghai Lu wrote:
> >
> > find out vSMP setting is going away in config after make oldconfig
> >
> > vSMP need to PARAVIRT and PCI.
> > so move PARAVIRT out of if PARAVIRT_GUEST, and make vSMP select PCI instead of
> > depends on PCI
> >
> > after patch vSMP could stick there.
>
> I'm certain that we have hit a Kconfig bug / limitation here and
> the patch below is just a workaround for that issue.
>
> I tracked it down to a minimal case and hope Roman can provide
> either an explanation or a fix.
>
> IMO VSMP can wait until this is resolved properly and we should not
> apply this patch.
also Kconfig seems ignore
if PARAVIRT_GUEST
endif
and
to use config PARAVIRT in that if block.
YH
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