Bugs item #2168011, was opened at 2008-10-15 11:53
Message generated for change (Comment added) made by avik
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Category: None
Group: None
>Status: Pending
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Stephane Bakhos (nuitari3)
Assigned to: Nobody/Anonymous (nobody)
Summary: kvm_host.h:128: error: field 'mmu_notifier' has incomplete
Initial Comment:
When compiling kvm-77/76 on a 2.6.27 kernel with AMD IOMMU activated I get:
kvm_host.h:128: error: field 'mmu_notifier' has incomplete type
----------------------------------------------------------------------
>Comment By: Avi Kivity (avik)
Date: 2008-12-24 15:49
Message:
You should enable the host kernel's kvm modules even if you don't plan to
use them, so they will select functionality like mmu notifiers.
----------------------------------------------------------------------
Comment By: Wolfram Gloger (wg1)
Date: 2008-12-15 20:11
Message:
Sorry, cannot seem to attach a file (I looked hard!), so here the patch
inline (applies to kvm-81, too):
--- kernel/include/linux/kvm_host.h.orig 2008-11-12
13:23:58.000000000 +0100
+++ kernel/include/linux/kvm_host.h 2008-11-15 21:08:02.000000000
+0100
@@ -46,6 +46,7 @@
* the COPYING file in the top-level directory.
*/
+#include <linux/mmu_notifier.h>
#include <linux/types.h>
#include <linux/hardirq.h>
#include <linux/list.h>
--- kernel/include/linux/mmu_notifier.h.orig 2008-12-15
18:31:52.000000000 +0100
+++ kernel/include/linux/mmu_notifier.h 2008-11-15 21:19:08.000000000
+0100
@@ -0,0 +1,6 @@
+#ifndef _LINUX_MMU_NOTIFIER_H
+#define _LINUX_MMU_NOTIFIER_H
+
+struct mmu_notifier {};
+
+#endif
----------------------------------------------------------------------
Comment By: Wolfram Gloger (wg1)
Date: 2008-12-15 20:00
Message:
I'm seeing this too, with kvm-79 and now kvm-81 on Linux-2.6.27.7 and
Linux-2.6.27.9.
I'm surprised that such a FTBS is not more prevalent..
For now, I have helped myself with the attached patch.
----------------------------------------------------------------------
Comment By: Stephane Bakhos (nuitari3)
Date: 2008-10-15 16:18
Message:
It looks like I was wrong in saying that AMD IOMMU was the cause. When I
complied again I used make -j5 and it looks like it just skipped the kernel
modules.
----------------------------------------------------------------------
Comment By: Stephane Bakhos (nuitari3)
Date: 2008-10-15 12:11
Message:
It looks like I was wrong in saying that AMD IOMMU was the cause. When I
complied again I used make -j5 and it looks like it just skipped the kernel
modules.
----------------------------------------------------------------------
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https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2168011&group_id=180599
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