From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: Paravirt-ops VMI / Xen / lrustyvisor merge status
Date: Fri, 09 Feb 2007 18:20:57 +1100
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To: Zachary Amsden <zach@vmware.com>
Cc: Chris Wright <chrisw@sous-sol.org>, Virtualization Mailing List <virtualization@lists.osdl.org>, Andrew Morton <akpm@osdl.org>
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On Thu, 2007-02-08 at 22:59 -0800, Zachary Amsden wrote:
> I believe there was a patch that got applied that turned it off by =

> default if CONFIG_PARAVIRT was enabled.  Doing it the cpuid way is the =

> right solution, IMHO.

Ah, yes, the VDSO issue.  This is separate, and does need fixing. =


Basically, if the user doesn't select COMPAT_VDSO, we don't have a
problem.  Currently they don't get offered COMPAT_VDSO if PARAVIRT is
enabled, but we *still* disable vdso in that case (unless vdso=3D1 is on
cmdline).

I think the best choice is to rework COMPAT_VDSO to a general "support
old glibcs" option, which will either (1) map it fixed if !
CONFIG_PARAVIRT, or (2) disable it if CONFIG_PARAVIRT.

I'll send that soon...

Cheers,
Rusty.