x86: also define AT_VECTOR_SIZE_ARCH

The patch introducing this left out 64-bit x86 despite it also having
extra entries.

this solves Xen guest troubles.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h
index 4cb23848d4605c436730c353c17c60728af8f373..6e9e4841a2da25836a997f07941676a6c599459a 100644 (file)
--- a/include/asm-x86/system_64.h
+++ b/include/asm-x86/system_64.h
@@ -7,6 +7,13 @@
 
 #ifdef __KERNEL__
 
+/* entries in ARCH_DLINFO: */
+#ifdef CONFIG_IA32_EMULATION
+# define AT_VECTOR_SIZE_ARCH 2
+#else
+# define AT_VECTOR_SIZE_ARCH 1
+#endif
+
 #define __SAVE(reg,offset) "movq %%" #reg ",(14-" #offset ")*8(%%rsp)\n\t"
 #define __RESTORE(reg,offset) "movq (14-" #offset ")*8(%%rsp),%%" #reg "\n\t"