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authorKeir Fraser <keir.fraser@citrix.com>2010-03-09 12:29:10 +0000
committerKeir Fraser <keir.fraser@citrix.com>2010-03-09 12:29:10 +0000
commita148f0e67dee472f185cf66b11fbc6cdc90a1804 (patch)
treeeae4cac7028d33ca8ec861317c74ece894bf564a
parent17878b9031ca43a6c863a69d661d882ab45701f3 (diff)
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x86: Disable VCPUOP_register_vcpu_time_memory_area.
Its implementation is buggy and causes memory corruption. Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
-rw-r--r--xen/arch/x86/domain.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index 0ead1a1985..d20487f8d9 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -970,6 +970,11 @@ arch_do_vcpu_op(
break;
}
+ /*
+ * XXX Disable for 4.0.0: __update_vcpu_system_time() writes to the given
+ * virtual address even when running in another domain's address space.
+ */
+#if 0
case VCPUOP_register_vcpu_time_memory_area:
{
struct vcpu_register_time_memory_area area;
@@ -988,6 +993,7 @@ arch_do_vcpu_op(
break;
}
+#endif
case VCPUOP_get_physid:
{