linux-kernel - Re: 2.6.24-rc3-mm1

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Message-ID: <20071126134834.132c3081@cuia.boston.redhat.com>
Date:	Mon, 26 Nov 2007 13:48:34 -0500
From:	Rik van Riel <riel@...hat.com>
To:	"Dave Young" <hidave.darkstar@...il.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc3-mm1

On Wed, 21 Nov 2007 14:03:34 +0800
"Dave Young" <hidave.darkstar@...il.com> wrote:
> On Nov 21, 2007 2:00 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> > On Wed, 21 Nov 2007 13:51:47 +0800 "Dave Young" <hidave.darkstar@...il.com> wrote:
> >
> > > Hi, andrew
> > >
> > > modpost failed for me:
> > >   MODPOST 360 modules
> > > ERROR: "empty_zero_page" [drivers/kvm/kvm.ko] undefined!
> > > make[1]: *** [__modpost] Error 1
> > > make: *** [modules] Error 2
> > >
> >
> > You're a victim of the hasty unexporting fad.  Which architecture?
> > x86_64 I guess?

> ia32 instead.

FYI, x86_64 has the exact same issue.

----
KVM needs the empty_zero_page export reinstated.

Signed-off-by: Rik van Riel <riel@...hat.com>

diff -up linux-2.6.24-rc3-mm1/arch/x86/kernel/x8664_ksyms_64.c.export-empty-zero-page linux-2.6.24-rc3-mm1/arch/x86/kernel/x8664_ksyms_64.c
--- linux-2.6.24-rc3-mm1/arch/x86/kernel/x8664_ksyms_64.c.export-empty-zero-page	2007-11-26 13:47:53.000000000 -0500
+++ linux-2.6.24-rc3-mm1/arch/x86/kernel/x8664_ksyms_64.c	2007-11-26 13:41:32.000000000 -0500
@@ -33,6 +33,7 @@ EXPORT_SYMBOL(__copy_from_user_inatomic)
 
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(empty_zero_page);
 
 /* Export string functions. We normally rely on gcc builtin for most of these,
    but gcc sometimes decides not to inline them. */    
-
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