From: Jan Beulich <jbeulich@novell.com>
Date: Tue, 18 Dec 2007 17:05:58 +0000 (+0100)
Subject: x86: also define AT_VECTOR_SIZE_ARCH
X-Git-Tag: v2.6.24-rc6~17^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=213fde71024223abcdd7d9e5349d1ea2679227b5;p=platform%2Fkernel%2Flinux-3.10.git

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 4cb2384..6e9e484 100644
--- 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"