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authorAvi Kivity <avi@qumranet.com>2007-11-21 09:41:05 -0500
committerAvi Kivity <avi@qumranet.com>2008-01-30 10:53:13 -0500
commit6d4e4c4fca5be806b888d606894d914847e82d78 (patch)
treedc383e27d812f617d791f48ba1527d70c86b65ba /kernel
parent76c35c6e99cb46b936b88cc795c9c886e7fe7bd4 (diff)
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)
393 destroy_context(mm); 393 destroy_context(mm);
394 free_mm(mm); 394 free_mm(mm);
395} 395}
396EXPORT_SYMBOL_GPL(__mmdrop);
396 397
397/* 398/*
398 * Decrement the use count and release all resources for an mm. 399 * Decrement the use count and release all resources for an mm.