linux-kernel - Re: 2.6.26 vanilla paravirt config issue

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Date:	Thu, 24 Jul 2008 11:30:58 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	patrizio.bassi@...il.com
CC:	"Kernel, " <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.26 vanilla paravirt config issue

Patrizio Bassi wrote:
> Hi All
>
> on my amd64 profile i cannot disable PARAVIRT option.
>
> even if i disable all i still get in my .config:
>
> # CONFIG_X86_ES7000 is not set
> # CONFIG_X86_RDC321X is not set
> CONFIG_X86_VSMP=y
> # CONFIG_PARAVIRT_GUEST is not set
> CONFIG_PARAVIRT=y    <<<<-------------------------------- issue
> # CONFIG_MEMTEST_BOOTPARAM is not set
> # CONFIG_M386 is not set
>
> how to disable it? i guess it's a config bug.

As Randy pointed out, VSMP selects PARAVIRT.  VSMP does something 
strange with AC in rflags and interrupt enable/disable, and so hooks the 
appropriate pvops to implement it.

What's your underlying concern about PARAVIRT?

    J
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