From 6fcac6d305e8238939e169f4c52e8ec8a552a31f Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Tue, 8 Jul 2008 15:07:14 -0700
Subject: xen64: set up syscall and sysenter entrypoints for 64-bit

We set up entrypoints for syscall and sysenter.  sysenter is only used
for 32-bit compat processes, whereas syscall can be used in by both 32
and 64-bit processes.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/xen/enlighten.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/x86/xen/enlighten.c')

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 48f1a7eca8b9..87d36044054d 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1139,6 +1139,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
 
 	.iret = xen_iret,
 	.irq_enable_sysexit = xen_sysexit,
+#ifdef CONFIG_X86_64
+	.usergs_sysret32 = xen_sysret32,
+	.usergs_sysret64 = xen_sysret64,
+#endif
 
 	.load_tr_desc = paravirt_nop,
 	.set_ldt = xen_set_ldt,
-- 
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