linux-kernel - Re: PATCH: Fix VMI and COMPAT

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Date:	Fri, 09 Mar 2007 23:01:21 -0800
From:	Zachary Amsden <zach@...are.com>
To:	Zachary Amsden <zach@...are.com>
CC:	Linus Torvalds <torvalds@...l.org>, Andrew Morton <akpm@...l.org>,
	Andi Kleen <ak@...e.de>, Ingo Molnar <mingo@...e.hu>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>
Subject: Re: PATCH: Fix VMI and COMPAT_VDSO for 2.6.21

Zachary Amsden wrote:
> VMI is broken under COMPAT_VDSO, as Xen and other non hardware 
> assisted hypervisors will be.  I have been working on a fix for this 
> which works for older glibcs that panic when the new relocatable VDSO 
> is used.  However, I believe at this time that the fix is going to be 
> too radical to consider at this stage in the release of 2.6.21.  We 
> don't expect this config option to be turned on by vendors for new 
> distributions, so at this point we are willing to drop support for it 
> when VMI is compiled in, and work on a patch for 2.6.22 which more 
> fully addresses the problem.
>
> Please apply, thanks.

I suppose it would be better if I attached the patch.

Zach

View attachment "vmi-depends-on-not-compat-vdso.patch" of type "text/plain" (593 bytes)