From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 11 Jul 2008 20:41:34 +0000 (+0200)
Subject: x86, xen, vdso: fix build error
X-Git-Tag: firefly_0821_release~19458^2~8^20~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=71415c6a0877d5944d5dc3060f3b03513746158d;p=firefly-linux-kernel-4.4.55.git

x86, xen, vdso: fix build error

fix:

   arch/x86/xen/built-in.o: In function `xen_enable_syscall':
   (.cpuinit.text+0xdb): undefined reference to `sysctl_vsyscall32'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 9cce4a92aac0..3e11779755c3 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -144,7 +144,9 @@ void __cpuinit xen_enable_syscall(void)
 		if (ret != 0) {
 			printk(KERN_INFO "Xen: 32-bit syscall not supported: disabling vdso\n");
 			setup_clear_cpu_cap(X86_FEATURE_SYSCALL32);
+#ifdef CONFIG_COMPAT
 			sysctl_vsyscall32 = 0;
+#endif
 		}
 	}
 #endif /* CONFIG_X86_64 */