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authorAvi Kivity <avi@qumranet.com>2007-11-21 16:41:05 +0200
committerAvi Kivity <avi@qumranet.com>2008-01-30 17:53:13 +0200
commit6d4e4c4fca5be806b888d606894d914847e82d78 (patch)
treedc383e27d812f617d791f48ba1527d70c86b65ba /kernel
parent76c35c6e99cb46b936b88cc795c9c886e7fe7bd4 (diff)
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KVM: Disallow fork() and similar games when using a VM
We don't want the meaning of guest userspace changing under our feet. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 314f5101d2b0..05e0b6f4365b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -393,6 +393,7 @@ void fastcall __mmdrop(struct mm_struct *mm)
destroy_context(mm);
free_mm(mm);
}
+EXPORT_SYMBOL_GPL(__mmdrop);
/*
* Decrement the use count and release all resources for an mm.