From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/x86/kernel/paravirt-spinlocks.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 arch/x86/kernel/paravirt-spinlocks.c

(limited to 'arch/x86/kernel/paravirt-spinlocks.c')

diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
new file mode 100644
index 000000000..bbb6c7316
--- /dev/null
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -0,0 +1,20 @@
+/*
+ * Split spinlock implementation out into its own file, so it can be
+ * compiled in a FTRACE-compatible way.
+ */
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <linux/jump_label.h>
+
+#include <asm/paravirt.h>
+
+struct pv_lock_ops pv_lock_ops = {
+#ifdef CONFIG_SMP
+	.lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop),
+	.unlock_kick = paravirt_nop,
+#endif
+};
+EXPORT_SYMBOL(pv_lock_ops);
+
+struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE;
+EXPORT_SYMBOL(paravirt_ticketlocks_enabled);
-- 
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