[PATCH] paravirt: Disable vdso by default when CONFIG_PARAVIRT is enabled

They don't work together and this way even glibc still works.
Signed-off-by: Andi Kleen <ak@suse.de>

arch/i386/kernel/sysenter.c

@@ -27,7 +27,11 @@
  * Should the kernel map a VDSO page into processes and pass its
  * address down to glibc upon exec()?
  */
+#ifdef CONFIG_PARAVIRT
+unsigned int __read_mostly vdso_enabled = 0;
+#else
 unsigned int __read_mostly vdso_enabled = 1;
+#endif
 
 EXPORT_SYMBOL_GPL(vdso_enabled);