[patch] paravirt: re-enable COMPAT_VDSO

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From: Ingo Molnar
Date: Monday, March 5, 2007 - 6:46 am

Subject: [patch] paravirt: re-enable COMPAT_VDSO
From: Ingo Molnar <mingo@elte.hu>

CONFIG_PARAVIRT broke old glibc bootup: it silently turned off the 
selectability of CONFIG_COMPAT_VDSO and thus rendered distro kernels 
unbootable on old-style VDSO glibc setups.

the proper solution is to keep COMPAT_VDSO available - if a hypervisor 
needs any modification of that concept then we'll judge those changes in 
full context, once those changes are submitted.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/i386/Kconfig |    1 -
 1 file changed, 1 deletion(-)

Index: linux/arch/i386/Kconfig
===================================================================
--- linux.orig/arch/i386/Kconfig
+++ linux/arch/i386/Kconfig
@@ -897,7 +897,6 @@ config HOTPLUG_CPU
 config COMPAT_VDSO
 	bool "Compat VDSO support"
 	default y
-	depends on !PARAVIRT
 	help
 	  Map the VDSO to the predictable old-style address too.
 	---help---
-
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Messages in current thread:
[patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 5:06 am)
Re: [patch] paravirt: VDSO page is essential, Avi Kivity, (Mon Mar 5, 5:36 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 5:40 am)
Re: [patch] paravirt: VDSO page is essential, Avi Kivity, (Mon Mar 5, 6:00 am)
Re: [patch] paravirt: VDSO page is essential, Rusty Russell, (Mon Mar 5, 6:28 am)
Re: [patch] paravirt: VDSO page is essential, Rusty Russell, (Mon Mar 5, 6:32 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 6:38 am)
[patch] paravirt: re-enable COMPAT_VDSO, Ingo Molnar, (Mon Mar 5, 6:46 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 6:48 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 6:48 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 6:59 am)
Re: [patch] paravirt: VDSO page is essential, Avi Kivity, (Mon Mar 5, 7:10 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 7:10 am)
Re: [patch] paravirt: VDSO page is essential, Andi Kleen, (Mon Mar 5, 7:27 am)
Re: [patch] paravirt: VDSO page is essential, Andi Kleen, (Mon Mar 5, 7:28 am)
Re: [patch] paravirt: VDSO page is essential, Andi Kleen, (Mon Mar 5, 7:34 am)
Re: [patch] paravirt: VDSO page is essential, Andi Kleen, (Mon Mar 5, 7:58 am)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Mon Mar 5, 1:11 pm)
Re: [patch] paravirt: VDSO page is essential, Andi Kleen, (Mon Mar 5, 1:16 pm)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Mon Mar 5, 1:19 pm)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Mon Mar 5, 1:33 pm)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Mon Mar 5, 1:42 pm)
Re: [patch] paravirt: VDSO page is essential, Roland McGrath, (Mon Mar 5, 2:58 pm)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Mon Mar 5, 3:01 pm)
Re: [patch] paravirt: VDSO page is essential, Roland McGrath, (Mon Mar 5, 3:58 pm)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Mon Mar 5, 4:03 pm)
Re: [patch] paravirt: VDSO page is essential, Rusty Russell, (Mon Mar 5, 5:57 pm)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Mon Mar 5, 6:03 pm)
Re: [patch] paravirt: VDSO page is essential, Rusty Russell, (Mon Mar 5, 6:11 pm)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Mon Mar 5, 6:14 pm)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Mon Mar 5, 6:51 pm)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Mon Mar 5, 6:53 pm)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Tue Mar 6, 12:35 am)
Re: [patch] paravirt: VDSO page is essential, Zachary Amsden, (Tue Mar 6, 12:42 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Tue Mar 6, 12:50 am)
Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 1:19 am)
Re: [patch] paravirt: VDSO page is essential, Ingo Molnar, (Tue Mar 6, 1:34 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 1:37 am)
Re: Xen &amp; VMI?, Zachary Amsden, (Tue Mar 6, 1:48 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 1:52 am)
Re: Xen &amp; VMI?, Zachary Amsden, (Tue Mar 6, 2:03 am)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 2:07 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:10 am)
Re: [patch] paravirt: VDSO page is essential, Roland McGrath, (Tue Mar 6, 2:13 am)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Tue Mar 6, 2:14 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 2:15 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:26 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:34 am)
Re: Xen &amp; VMI?, Avi Kivity, (Tue Mar 6, 2:55 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 3:15 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 3:23 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 3:26 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 3:31 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 4:04 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 4:59 am)
Re: Xen &amp; VMI?, Gerd Hoffmann, (Tue Mar 6, 5:34 am)
Re: Xen &amp; VMI?, Anthony Liguori, (Tue Mar 6, 8:03 am)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 9:27 am)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 9:42 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 10:11 am)
RE: Xen &amp; VMI?, Nakajima, Jun, (Tue Mar 6, 10:17 am)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 10:18 am)
Re: Xen &amp; VMI?, Anthony Liguori, (Tue Mar 6, 10:32 am)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 11:04 am)
Re: [patch] paravirt: VDSO page is essential, Jeremy Fitzhardinge, (Tue Mar 6, 11:48 am)
Re: Xen &amp; VMI?, Chris Wright, (Tue Mar 6, 12:46 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 1:30 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 1:37 pm)
Re: Xen &amp; VMI?, Chris Wright, (Tue Mar 6, 1:53 pm)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 2:02 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:03 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:11 pm)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 2:13 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Tue Mar 6, 2:20 pm)
Re: Xen &amp; VMI?, Chris Wright, (Tue Mar 6, 2:28 pm)
RE: Xen &amp; VMI?, Nakajima, Jun, (Tue Mar 6, 2:35 pm)
Re: Xen &amp; VMI?, Jeremy Fitzhardinge, (Tue Mar 6, 2:46 pm)
Re: Xen &amp; VMI?, Rusty Russell, (Tue Mar 6, 5:44 pm)
Re: Xen &amp; VMI?, Anthony Liguori, (Tue Mar 6, 5:54 pm)
Re: Xen &amp; VMI?, Zachary Amsden, (Tue Mar 6, 7:16 pm)
Re: Xen &amp; VMI?, Zachary Amsden, (Tue Mar 6, 7:35 pm)
Re: Xen &amp; VMI?, Zachary Amsden, (Tue Mar 6, 8:06 pm)
Re: Xen &amp; VMI?, Ingo Molnar, (Wed Mar 7, 1:15 am)
Re: Xen &amp; VMI?, Zachary Amsden, (Wed Mar 7, 2:17 am)
Re: Xen &amp; VMI?, Thomas Gleixner, (Wed Mar 7, 4:15 am)
Re: Xen &amp; VMI?, Dan Hecht, (Wed Mar 7, 12:14 pm)