From: Wu Fengguang <fengguang.wu@intel.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: [PATCH] Prevent trace call into unloaded module text
Date: Mon, 24 Nov 2008 22:04:27 +0800 [thread overview]
Message-ID: <20081124140427.GA14640@localhost> (raw)
Add marker_synchronize_unregister() before module unloading.
This prevents possible trace calls into unloaded module text.
Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
---
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a87f45e..64f38b3 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2102,5 +2102,6 @@ void kvm_exit(void)
kvm_arch_exit();
kvm_exit_debug();
__free_page(bad_page);
+ marker_synchronize_unregister();
}
EXPORT_SYMBOL_GPL(kvm_exit);
next reply other threads:[~2008-11-24 14:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-24 14:04 Wu Fengguang [this message]
2008-11-26 11:17 ` [PATCH] Prevent trace call into unloaded module text Avi Kivity
2008-11-26 11:46 ` Wu Fengguang
2008-11-26 11:59 ` Wu Fengguang
2008-11-27 13:32 ` Avi Kivity
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